What a rubric is and why professors use them
A rubric is a structured scoring guide that defines performance criteria and assigns point values to different performance levels for each criterion. Without a rubric, a professor grading an essay would write a score based on general impression — useful feedback, but inconsistent across a large class. With a rubric, each essay receives a score on the same criteria, at the same performance level descriptions, across all submissions.
Rubrics serve two functions simultaneously: they standardize grading to reduce inconsistency, and they communicate expectations to students before and after the assignment. A well-written rubric is essentially a map of what the professor considers important and what each quality level looks like — information that's valuable before you start working on the assignment, not just after you receive your grade.
Where rubrics are and aren't used
Rubrics are used for assignments that require qualitative judgment: essays, research papers, presentations, group projects, lab reports, creative work, and problem sets with explanatory components. They're not used for objective-answer assignments — multiple choice tests, pure mathematics problems, or any work with a definitive right/wrong answer — because point allocation for those is binary, not graduated.
Three rubric types: analytic, holistic, and single-point
Analytic rubrics
An analytic rubric has a grid structure: criteria are rows, performance levels are columns, and each cell contains a description of what that performance level looks like for that criterion, along with the point value for that cell. The student earns a separate score on each criterion; the total rubric score is the sum of all criterion scores.
Analytic rubrics are the most information-rich for students: the feedback tells you exactly which criteria were strong and which were weak, which tells you exactly what to work on next time.
Holistic rubrics
A holistic rubric describes what work at each overall performance level looks like, without separating criteria. The grader assigns one score based on which overall description best matches the work. Holistic rubrics are faster to apply and better suited to work where the criteria are deeply interdependent — where excellent argument quality and excellent organization can't really be separated. They provide less specific feedback.
Single-point rubrics
A single-point rubric describes only the proficient (meets expectations) performance level for each criterion — not what below-standard or above-standard looks like. The grader marks each criterion as below, meeting, or above expectations and adds written comments explaining the judgment. Single-point rubrics force more qualitative feedback rather than just ticking a box, and they're particularly common in writing-intensive courses where excellence is hard to pre-specify.
How rubric scores become letter grades
Rubric percentage = Total rubric points earned ÷ Maximum rubric points × 100
Then apply the course's standard grade scale to the percentage.
This conversion is identical to the standard percentage-to-letter-grade calculation. A rubric just provides a structured method for arriving at the raw score; the conversion to a letter grade is the same process used for any scored assignment. For point-based assignments that don't use a formal rubric structure, the same logic applies — see how to calculate your grade from points instead of percentages for a full walkthrough.
Example conversion
A rubric has 4 criteria, each worth up to 25 points, for a maximum of 100 points. You earn: Criterion 1: 22, Criterion 2: 18, Criterion 3: 21, Criterion 4: 20. Total = 81 points. Percentage = 81 ÷ 100 = 81%. On a standard scale, 81% is a B-.
When the maximum isn't 100
Rubrics frequently have non-100-point maximums (50-point rubric, 150-point rubric, 40-point rubric). The percentage formula remains the same — divide by maximum, not by 100. A 38 out of 50 rubric score is 76% (38 ÷ 50), not 38%. The percentage is what converts to a letter grade; the raw rubric score alone is meaningless without knowing the maximum.
Analytic rubrics in detail
Analytic rubrics are the most commonly used type in college writing, research, and project assignments. Understanding their structure helps you extract maximum information from both the rubric before submitting and the returned rubric after grading.
Performance level columns
Most analytic rubrics use 3 to 5 performance levels. Common naming conventions:
- 4 levels: Excellent / Proficient / Developing / Beginning
- 4 levels: Distinguished / Proficient / Apprentice / Novice
- 3 levels: Exceeds expectations / Meets expectations / Below expectations
- 5 levels: Exemplary / Accomplished / Developing / Beginning / Incomplete
Each level has a point value. On a 25-point criterion with 4 levels, the points might be 25, 20, 13, 7 — not necessarily evenly spaced. The gap between levels reflects how much grade difference the professor associates with that quality distinction.
Criterion descriptions
The criterion description at each performance level is the most actionable part of the rubric. It describes what work at that level specifically looks like — not vaguely ("good argument") but concretely ("argument makes a clear claim, supports it with three or more pieces of evidence, addresses at least one counterargument"). Reading these descriptions tells you what you need to produce to earn the points at that level.
Holistic rubrics in detail
Holistic rubrics describe what a work of each overall quality level looks like. A 5-level holistic rubric might describe: (5) Work demonstrates mastery across all dimensions with no significant weaknesses; (4) Work shows strong command of most dimensions with minor weaknesses; (3) Work meets basic expectations but shows inconsistency across dimensions; (2) Work shows partial understanding with significant gaps; (1) Work does not meet basic expectations.
The grader reads the full work and selects the description that best fits. The score is the number associated with the selected level. There's no separate per-criterion score to examine after grading — only the overall level and any narrative comments the grader chose to add.
When to expect holistic rubrics
Holistic rubrics are common in shorter, rapidly-graded assignments (weekly response papers, discussion board posts, lab notebook entries) where the criteria are too intertwined to separate cleanly or where grading speed is important across a large class. They're also used in evaluating presentations and performances, where the work unfolds in time and can't be paused to score each criterion separately. When a holistic rubric is used and you want criterion-specific feedback, ask the professor directly — many will annotate a returned holistic rubric with notes on what specifically placed the work at the assigned level, even when the rubric structure doesn't require it.
Single-point rubrics
A single-point rubric presents one column: what proficient work looks like for each criterion. After grading, the professor adds comments in two margins: left margin for "areas to develop" (what's below proficient) and right margin for "strengths" (what exceeds proficient). The scoring itself may still be numerical (a point value for each criterion) or entirely narrative (no numerical score, only letter grade or overall assessment).
What single-point rubrics prioritize
Single-point rubrics shift focus from "did you hit the checklist?" to "what does proficient mean for this criterion?" They're popular in writing instruction because they prevent students from gaming the rubric — simply including all the described elements — without actually thinking about the work's quality. They also model a growth mindset: the categories are "not yet" and "exceeds," both framed relative to the standard rather than as permanent categories.
Full worked example: 4-criterion essay rubric
This example walks through a realistic analytic rubric for a 1,000-word argumentative essay, worth 100 points total.
| Criterion (max pts) | Excellent (full) | Proficient | Developing | Beginning |
|---|---|---|---|---|
| Argument & thesis (30) | 30 pts — Clear claim, nuanced position, addresses complexity | 24 pts — Clear claim, some nuance | 16 pts — Claim present but vague or overly broad | 8 pts — Unclear or missing claim |
| Evidence & support (30) | 30 pts — 3+ relevant sources, well-integrated, no quote-dumping | 24 pts — Adequate sources, mostly integrated | 16 pts — Sources present but weakly connected to argument | 8 pts — Little or no evidence |
| Organization (25) | 25 pts — Logical flow, effective transitions, clear structure | 20 pts — Generally organized, some weak transitions | 13 pts — Some organizational logic, frequent gaps | 6 pts — Hard to follow, no clear structure |
| Mechanics & style (15) | 15 pts — Near-error-free, appropriate style for academic writing | 12 pts — Occasional errors, generally readable | 8 pts — Frequent errors affecting readability | 4 pts — Pervasive errors obscuring meaning |
Scoring the example
A student's essay earns: Argument = 24 (Proficient), Evidence = 24 (Proficient), Organization = 20 (Proficient), Mechanics = 15 (Excellent). Total = 83/100 = 83% = B.
A different student earns: Argument = 30 (Excellent), Evidence = 16 (Developing), Organization = 13 (Developing), Mechanics = 12 (Proficient). Total = 71/100 = 71% = C-. The rubric shows clearly that this student makes strong arguments but fails to support them adequately and organizes poorly — exactly the feedback needed to improve.
What the rubric reveals about professor priorities
In this rubric, Argument and Evidence together account for 60 of 100 points (60% of the grade). Mechanics account for only 15 points (15%). A student who writes a stylistically polished essay with a weak argument will score worse than one who writes a mechanically imperfect essay with a strong, well-supported argument. The point allocations reveal the professor's pedagogical priorities as clearly as the criterion descriptions do.
Weighted rubric criteria
Different criteria are weighted differently in most rubrics — higher-priority criteria have more maximum points. The example above weights Argument and Evidence at 30 points each and Mechanics at only 15. This weighting is itself information: the professor is telling you in advance what matters most.
When reading a rubric before starting an assignment, look at the point allocations first. Allocate your effort proportionally to the weights: if Argument is worth 40% of the rubric's points, spend 40% of your effort making the argument strong. Students who optimize for the low-weight criteria (correcting every comma error while neglecting the argument's quality) will systematically underperform students who read the weights and allocate effort accordingly.
Reading a rubric strategically before submitting
A rubric read after you receive your grade tells you what you did wrong. A rubric read before you start tells you what to do right. The information is the same, but the timing determines whether you can use it.
The pre-submission rubric review
Step 1: Identify the highest performance level for each criterion and read its description. This is your target. Step 2: Rank the criteria by point value — know which criteria drive the most grade impact. Step 3: Draft the assignment with the highest-performance descriptions as your benchmarks. Step 4: Before submitting, self-assess your draft against each criterion. For each criterion, honestly identify which performance level best describes your current draft. Step 5: Revise specifically the criteria where you're not at the highest level, in order of their point weight.
This five-step process consistently raises rubric scores because it aligns effort with the grader's priorities rather than with your own intuitions about what makes the work good. The rubric is the grader's priority list — use it.
Criterion descriptions as revision prompts
Criterion descriptions at the highest performance level are more than benchmarks — they're revision prompts. "Argument makes a clear claim, supports it with three or more pieces of evidence, and addresses at least one counterargument" tells you exactly what's missing if your draft has only two pieces of evidence or no counterargument. Translate each description into a checklist: is this element present in my draft? If not, add it before submitting.
Using rubric feedback to improve subsequent submissions
A returned rubric with criterion-level scores is the most actionable feedback most professors provide. The key is to translate the criterion scores into specific revision priorities rather than treating the returned rubric as a verdict.
Identifying patterns
If you receive the same criterion score below your target on two consecutive assignments — say, "Developing" on Evidence both times — you've identified a pattern worth addressing systematically. Compare the criterion description for "Proficient" to what you actually produced: what's described in "Proficient" that isn't in your work? That's your specific improvement target. One concrete revision per criterion per assignment cycle is more effective than trying to improve everything simultaneously.
Asking for criterion-specific feedback
If a rubric score surprises you on a criterion, request clarification focused on that criterion: "I saw I received Developing on the Organization criterion — can you help me understand what the structure of my essay would have needed to look like to reach Proficient?" This is a professional question that gives the professor a clear, specific thing to explain. Asking "why did I get a B?" is too broad; asking about one criterion is answerable.
How rubric grading varies by discipline
Rubric structure, criteria, and performance level definitions differ significantly across disciplines. Understanding how your discipline's conventions shape rubric design helps you interpret rubrics you haven't seen before.
Writing and humanities
Writing rubrics in humanities courses emphasize argument, evidence, analysis, and prose quality. Common criteria include thesis clarity, use of primary and secondary sources, integration of quotations, structural logic, and mechanics. The performance level descriptions for writing criteria tend to be abstract — "nuanced argument" or "sophisticated analysis" — because writing quality is genuinely harder to specify concretely than many other academic skills. When writing rubric descriptions feel vague, ask the professor for examples of past work at each level, or ask what specifically distinguishes "Proficient" from "Excellent" for the argument criterion on the assignment at hand.
STEM lab reports and scientific writing
Lab report rubrics typically score distinct sections of the report structure: abstract, introduction, methods, results (data presentation and figures), discussion, and citations. The criteria in each section are more checkable than writing rubrics — was the hypothesis stated correctly? Did the methods section contain sufficient detail to replicate the experiment? Were figure axes labeled and units specified? STEM rubrics tend to have clearer binary elements (present/absent, accurate/inaccurate) alongside more graduated elements (depth of discussion, quality of interpretation).
Presentations and performances
Presentation rubrics score delivery alongside content: criteria often include clarity of argument, organization, visual aids, time management, and verbal delivery (pacing, filler words, eye contact, voice projection). These rubrics are almost always holistic or analytic at a coarse level because live performances can't be paused and scored criterion by criterion. If a presentation rubric has a delivery criterion, practicing specifically against that criterion's description before presenting is as important as content preparation — professors who use a rubric for presentations are explicitly scoring delivery, not just content.
Group projects
Group project rubrics typically score both the group product and, in peer-evaluated structures, individual contributions. The group product criteria follow the assignment type (written report, presentation, code repository). Individual contribution criteria often appear in separate peer evaluation rubrics that inform individual adjustments to the shared grade. Understanding which criteria apply to the whole group and which apply to your individual contribution is essential for allocating effort and understanding how the final individual grade is computed from a shared project.
How professors and TAs calibrate rubrics
A rubric is only as consistent as the graders applying it. Large courses with multiple TAs or graders face the challenge of inter-rater reliability: ensuring that the same work receives the same score regardless of which grader reviews it. Understanding calibration helps you interpret your rubric score accurately.
Calibration sessions
Well-run large courses hold calibration sessions before grading begins: the professor and TAs each independently grade the same sample submissions using the rubric, then compare scores and discuss disagreements. The goal is for all graders to arrive at similar scores on the same work — within one performance level on each criterion. Calibration reduces the grade luck element of which TA reviews your submission. Courses that hold calibration sessions and provide specific rubric training to graders consistently produce more reliable grades than those where graders apply the rubric independently without comparison.
When calibration is imperfect
Even calibrated rubrics produce some inter-rater variability, particularly on criteria that use qualitative language ("sophisticated analysis," "nuanced argument"). If you suspect your grade reflects your specific grader's interpretation rather than the rubric's standard — particularly if peers in the course report noticeably different rubric scores on seemingly similar work — it's reasonable to request a second review. Frame it as: "I'd like to make sure I understand the rubric criteria — could this be reviewed against the rubric by the lead instructor?" Most professors expect occasional calibration disagreements and will review without taking offense at a professionally framed request.
Digital rubrics and SpeedGrader
Many courses deliver rubric feedback through LMS tools like Canvas's SpeedGrader, which embeds the rubric directly in the grading interface. The professor or TA clicks a cell in the rubric grid to assign a performance level and points; the tool automatically sums the criterion scores. From the student side, a rubric embedded in SpeedGrader is visible in the assignment details after grading — each criterion's rating and any comments appear alongside the final score. If your returned rubric in the LMS shows only a final score without per-criterion ratings, the professor may have graded holistically or bypassed the rubric tool — asking for the criterion-level breakdown is reasonable if you want it for improvement purposes.
Rubric vs. checklist vs. point-scale grading
Three grading approaches are often confused. Understanding what distinguishes them helps you interpret grading in courses that use different methods.
Rubric
A rubric scores quality on a graduated scale for each criterion — it answers "how well?" for multiple criteria simultaneously. The rubric's cells describe performance levels rather than listing binary requirements. Work can partially meet a criterion and receive intermediate credit.
Checklist
A checklist is binary: each requirement is either present or not, and each earns its full point value or zero. "Included title page (5 points)" is a checklist item — you either included it or didn't. Checklists are used for assignments with clear required elements rather than graduated quality. They're simpler than rubrics but provide less information about qualitative performance.
Point-scale grading without a rubric
Some professors grade holistically with a point scale (e.g., 0-100) based on overall impression, without a formal rubric. This is common in smaller courses, studio courses, and advanced seminars where the professor knows the students' work well enough to grade consistently without a structured tool. Point-scale-without-rubric grading is the least transparent to students because no criterion descriptions exist to reference. In these courses, seeking detailed narrative feedback during office hours is the closest substitute for rubric feedback.
Disputing a rubric grade
Rubric grades are more disputable than holistic grades because the criterion descriptions create an explicit standard you can reference. A holistic grade is "the professor's overall impression" — hard to contest. A rubric grade on a specific criterion either matches the criterion description at the level assigned or it doesn't — a factual question.
How to approach a rubric dispute
Identify the specific criterion where you believe a higher performance level is warranted. Locate the criterion description for the next-higher level. Identify concrete evidence in your submitted work that matches that description. Then ask the professor or TA: "For the [Criterion] row, I think my work matches the [Proficient] description because [specific evidence]. I was marked at [Developing]. Can you help me understand what was missing?" This is not an accusation — it's a request for clarification that gives the grader an easy path to reconsider without feeling pressured.
When disputes are unlikely to succeed
Rubric disputes are less likely to succeed when the performance level descriptions are genuinely subjective and the grader's judgment falls within a reasonable reading of the criterion. "Nuanced argument" is hard to dispute concretely because nuance is a judgment call — two qualified graders may assess it differently without either being wrong. In those cases, the more productive path is using the feedback to understand what the grader means by nuance in this course's context, and applying that understanding to the next submission. Disputes over points where the criterion descriptions are clear and your work demonstrably meets the next-level description are more tractable.
Rubric grading in graduate versus undergraduate courses
Rubrics exist at both levels, but the performance standards embedded in them differ considerably. Graduate rubrics assume higher baseline competence and describe excellence differently.
Undergraduate rubrics
Undergraduate rubrics, particularly at the 100-200 level, often describe basic competencies as meeting expectations: a clear thesis, adequate evidence, readable organization. The "Excellent" column describes what strong undergraduate work looks like — not professional-level scholarship, but work that demonstrates command of the course's core learning objectives. These rubrics typically describe what students should be able to demonstrate after completing the course.
Graduate rubrics
Graduate rubrics assume disciplinary knowledge and describe excellence in terms of original contribution, sophisticated engagement with the literature, methodological rigor, and professional-quality writing. The performance level descriptions shift: "Developing" at the graduate level may describe work that would be considered "Proficient" at the undergraduate level. Graduate students who find rubric scores surprisingly low should check whether the performance level descriptions assume baseline graduate-level competence — a paper that would earn "Excellent" in a 300-level undergraduate course may earn "Developing" in a graduate seminar because the standards are calibrated to a different expectation.
Professional program rubrics (law, medicine, business)
Professional program rubrics are often calibrated to professional outcomes — what a practicing professional would produce rather than what a strong student would. A law school memo rubric may describe "Proficient" as work meeting the standard expected of a first-year associate at a law firm; "Excellent" would describe work that exceeds that standard. These calibrations are deliberate and important: professional programs want grades to signal professional readiness, not just academic mastery in the abstract.
GPA impact of rubric-graded assignments
Rubric-graded assignments are often major work: research papers, capstone projects, final presentations. These commonly carry 20-40% of a course grade. The difference between a Proficient and Excellent performance on every criterion in such an assignment — say, 85% vs. 95% — is a 10 percentage-point raw score difference contributing 2-4 final grade points, which often spans a full letter grade boundary.
The grade percentage calculator can convert any rubric raw score to a percentage and then to a letter grade for your course's specific scale. Use it after any major rubric-graded submission to see exactly where the score lands and whether you're near a grade boundary for the course as a whole.
Because rubric-graded assignments tend to be high-weight, investing effort in the pre-submission rubric review is disproportionately high-return compared to time spent on lower-weight assignments. Two hours spent reviewing and revising against rubric descriptions on a 30%-weight paper may be worth more to your final grade than four hours spent on a series of low-weight quizzes. The full grade-to-percentage reference is a quick lookup for what any rubric percentage score means as a letter grade across common scale variations. If your course professor applies a curve after rubric grading, understanding how grade curves work lets you estimate whether a post-rubric curve will shift your letter grade.
Tracking rubric performance across a course
When a course has multiple rubric-graded assignments using the same criteria (two papers, three project milestones), your criterion scores across submissions tell you more than any single submission does. Plotting your criterion scores over time reveals whether you're improving, which criteria are consistent strengths, and which are persistent weaknesses. A student who scores Proficient on Evidence in paper 1 and Developing on Evidence in paper 2 needs to understand what changed — was the second paper's topic less amenable to strong evidence, or did preparation time decrease? A student who consistently earns Excellent on Mechanics and Developing on Argument across three papers has a clear signal: argument construction is the skill to develop, and surface correctness is not the limiting factor in their grade.
GPA-critical scenarios for rubric grading
Because rubric criteria scores sum to a percentage that maps to a letter grade, you can often calculate how many criterion-level upgrades would move you to the next letter grade. If your total rubric score is 82% (B-) and the next boundary is 87% (B+), you need 5 more percentage points — on a 100-point rubric, 5 more raw points. Check which criterion you scored lowest and whether upgrading that criterion one performance level would produce 5 or more points. Often a single criterion improvement is enough to cross a grade boundary. This calculation tells you exactly where to focus revision effort if you have an opportunity to revise or if you're preparing a similar assignment for the next submission window.
For courses where rubric-graded papers are a majority of the grade, understanding the cumulative GPA impact of criterion-level performance is worth quantifying with the grade percentage calculator. Enter your rubric percentage score as the assignment grade and apply the course weight to see its exact contribution to your final grade and proximity to the nearest letter grade boundary. Understanding precisely where each major rubric-graded assignment puts you in the course grade progression lets you allocate remaining study time with full information rather than intuition.
Frequently asked questions
What is a rubric in grading?
A rubric is a scoring guide that defines what performance looks like at each quality level for each criterion, and assigns point values to those levels. It converts the qualitative judgment "how good is this work?" into a structured, consistent scoring process. Rubrics make grading more transparent to students — the rubric's criterion descriptions tell you in advance what the professor is evaluating and what earns full credit.
How does a rubric score convert to a letter grade?
Divide total rubric points earned by the maximum possible rubric points to get a percentage. Then apply the course's grade scale to the percentage. A 81/100 rubric score = 81% = B- on a standard scale. A 38/50 rubric score = 76% = C+. The maximum rubric points, not 100, is the denominator — always check the rubric's maximum before calculating your percentage.
What is the difference between an analytic and holistic rubric?
An analytic rubric scores each criterion separately, with a row per criterion and columns per performance level — the student receives a criterion-by-criterion breakdown. A holistic rubric assigns one overall score based on the work's general quality across all criteria — the student receives one score and no per-criterion breakdown. Analytic rubrics give more specific feedback; holistic rubrics are faster to apply and are used for work where criteria are inseparable.
What is a single-point rubric?
A single-point rubric describes only the proficient (meets expectations) performance level for each criterion. The grader marks each criterion as below, meeting, or above expectations and adds narrative comments. There's no pre-written description of what excellence looks like — the grader explains it through comments. Single-point rubrics are popular in writing instruction because they focus feedback on what needs improvement without over-specifying what A-level work must contain.
How should I use a rubric before starting an assignment?
Read the highest performance level descriptions for each criterion before drafting. These are your targets — they define what the professor considers excellent for each element. Then allocate your effort proportionally to criterion weights: if Argument is worth 40% of the points, spend 40% of your effort on argument quality. Self-assess your draft against each criterion description before submitting; revise where you're not at the top level, starting with highest-weight criteria first.
Why are different criteria worth different points?
Point allocations reflect the professor's instructional priorities for that assignment. If Argument and Evidence together account for 60% of rubric points and Mechanics accounts for 15%, the professor values content quality over surface correctness for that assignment. Reading point allocations before starting tells you where to invest your effort. Students who allocate effort proportionally to rubric weights consistently outperform those who allocate effort based on personal priority rather than the professor's.
Can I dispute a rubric grade?
Yes. Identify the specific criterion where you believe a higher level is warranted, locate the criterion description for that level, and point to specific evidence in your work that matches it. Ask the professor or TA to explain what was missing that prevented the higher rating. Rubric disputes are more tractable than holistic grade disputes because the criterion descriptions create a concrete standard to reference — it's a factual comparison, not a judgment contest.
What does it mean when rubric criteria have unequal points?
Unequal criterion weights tell you which aspects of the work the professor considers most important. A criterion worth 40 points is twice as grade-significant as one worth 20 points. A 5-point improvement on the 40-point criterion contributes twice as much to your total score as a 5-point improvement on the 20-point criterion. Always read point allocations before allocating your revision effort — maximize time on the highest-weight criteria first.
Why did I score differently on similar rubric criteria in different courses?
Rubric descriptions are calibrated to course level and expectations. "Proficient" argument quality in a 200-level course describes different work than "Proficient" in a 400-level seminar, even if the rubric format is identical. The criterion descriptions encode the standard, not just the format. Work that earned full marks at one level may score lower at the next because the expectation moved even though the rubric looks the same.
What should I do if I don't understand a rubric criterion?
Ask the professor before the assignment is due, not after you receive your grade. "I'm working on the paper and I'm not sure I understand what 'addresses complexity' means in the Argument criterion at the Excellent level — can you give an example of what that would look like?" is a direct, professional question that professors welcome. Understanding the criterion before submitting is the entire purpose of providing the rubric in advance.
Related Sources
- National Center for Education Statistics. Digest of Education Statistics — national data on academic performance, course completion, and grading practices. nces.ed.gov
- College Board. AP Central: Scoring and Grading — how AP exams are scored, grade distributions, and course weighting standards. apcentral.collegeboard.org
- ACT, Inc. College Readiness Benchmarks — data linking course grades to college readiness and first-year college GPA outcomes. act.org/research