Why we exist
Opportunity shouldn't depend on
what test prep you can afford.
Mass Tutoring exists to make high-quality SAT guidance, practice, and human help available without a price tag. This page is the honest version of why that matters — with the evidence, the progress already made, and the limits of what a free website can fix.
The problem is bigger than one test
Start with the least comfortable fact in admissions research. When economists linked millions of students' SAT and ACT scores to their families' tax records, the gap was stark: children from the wealthiest 1% of families were about 13 times as likely as children from the lowest-income fifth to score 1300 or higher.[1]
Chance of scoring 1300+ on the SAT/ACT, by family income[1]
relative likelihood (children of bottom-20% families = 1)
View this chart as a table
| Category | relative likelihood (children of bottom-20% families = 1) |
|---|---|
| Children of bottom 20% of families | 1× |
| Children of top 1% of families | 13× |
Children from the wealthiest 1% of families were about 13 times as likely as children from the lowest-income fifth to score 1300 or higher. This reflects unequal preparation long before test day — schools, stability, enrichment — not innate ability, and not test prep alone.
Source: Chetty, Deming & Friedman (2023), anonymized admissions data linked to tax records, as reported by the authors' institutions
Read that chart carefully, because it is easy to read wrong. It shows an association, not proof that income itself buys points — and it certainly doesn't mean wealthier students are smarter. What it reflects is everything that accumulates before test day: school quality, stable housing, tutoring in ninth grade, a quiet place to study, adults with time to help. The same research found that even among students with identical scores, children of the top 1% were about twice as likely to attend an Ivy-plus college.[1] The test is one chapter of a much longer story about unequal opportunity, not the whole book.
No SAT website can fix most of that. Being clear about it is the first honest thing a mission page can do.
Test prep is a "shadow" system
Researchers have a name for the industry that grows alongside high-stakes exams: shadow education — the private courses, tutors, and prep programs operating outside school. The foundational U.S. study tracked a national cohort of students and found what you'd expect: participation in the costly forms of SAT prep, especially private tutoring and commercial courses, ran along class lines. That prep had real consequences for scores and for enrolling at selective colleges — the authors' word for the size of the effect is moderate.[6]
Personalization rises along this spectrum — and so, typically, does cost. A 2025 Brookings review of who actually uses these services found higher-income students participating in test-prep activities more than their lower-income peers, with individual tutoring and coaching the formats most likely to help.[5]
What prep can and cannot do
Here the research says something that surprises people on both sides of the argument. The same Brookings review concluded that the average effects of test prep are modest — far smaller than the score-jump marketing suggests. It also concluded that equalizing access to prep would not, by itself, close the large score gaps between richer and poorer students: those gaps mostly form over years of unequal schooling, not in the weeks before a test.[5]
So an honest mission cannot be "free prep will close the gap." It is narrower and still worth doing: whatever advantage organized preparation and personal support provide, no student should miss it because of price. The evidence that structure and one-on-one help are the most valuable parts of prep[5] is exactly why those are the parts we work hardest to give away.
Free access has genuinely improved
This page would be propaganda if it skipped the good news. Over the past decade, the barriers around the test itself have fallen substantially — through SAT School Day (states and districts giving the test free during school hours), fee waivers for low-income students on weekend testing, and free official practice online.
Students taking the SAT, classes of 2021–2025[2]
millions of students (took the SAT at least once)
View this chart as a table
| Category | millions of students (took the SAT at least once) |
|---|---|
| 2021 | 1.5M |
| 2022 | 1.7M |
| 2023 | 1.9M |
| 2024 | 1.97M |
| 2025 | 2M+ |
Participation collapsed during the pandemic, then grew for four straight years — driven heavily by states and districts offering the SAT free during the school day.
Source: College Board SAT Suite program results and newsroom announcements, 2021–2025
Where the class of 2025 took the SAT[3]
share of SAT takers
View this chart as a table
| Category | share of SAT takers |
|---|---|
| During the school day | 68% |
| Weekend administrations | 32% |
68% of the class of 2025's SAT takers tested during the school day — usually free to the student, at their own school, removing the Saturday-morning logistics that once filtered out many students.
Source: College Board, class of 2025 program results
The class of 2025 passed two million SAT takers, and 68% of them tested during the school day[2][3] — usually at no cost, in their own building, without needing a ride across town on a Saturday morning. Add College Board's free official practice bank and full-length digital practice tests, plus free courses from Khan Academy and free peer tutoring through Schoolhouse.world, and the raw materials of preparation are more available than they have ever been. Mass Tutoring's resource guide exists to point students at exactly these things.
Access to a test is not access to support
Why free testing matters is best shown by what it revealed. Michigan was one of the first states to make a college entrance exam universal and free during school, and economist Joshua Hyman followed the results. For every ten low-income students who had been taking the exam and scoring college-ready, universal testing surfaced another five — students who scored college-ready but simply hadn't been taking the test.[4] Talent was there; the barrier was logistical.
But a free seat at the exam doesn't come with an explanation of quadratics, a study plan, feedback on your practice tests, or someone to ask when you're stuck. Those are the parts money still buys. That specific remainder — organization, practice, and human help — is small enough for students to give each other, and that is the part Mass Tutoring exists to make free.
Why free one-on-one help matters
Tutoring is among the best-studied interventions in education. A systematic review of 96 randomized experiments across preK–12 found tutoring programs produced consistently large learning gains — among the most effective educational interventions measured.[7] Two honest caveats: those studies measure school tutoring, not SAT tutoring specifically, and the strongest programs were intensive, during school, with trained tutors. We don't claim our volunteer tutoring replicates that dosage, and we don't promise score increases — no honest program does. We claim something smaller: when a student is stuck, a patient explanation from someone who recently mastered the same digital test beats being stuck alone, and it shouldn't cost private-tutoring rates to get one.
Our response: make the missing layer free
Everything above shapes what we built — not another pile of resources, but the organized layer that paid prep actually sells:
All of it free, none of it gated, and the educational content open even without an account.
Our story
Ethan Moran and Albert Wen, students at Buckingham Browne & Nichols School in Cambridge, Massachusetts, founded Mass Tutoring. Both prepared for the digital SAT through self-study, no paid tutoring, no prep course, using exactly the kinds of free resources this guide organizes, and scored 1550 and 1560. That experience is why this site exists: they know firsthand that free preparation works, and firsthand how confusing it is to figure out on your own.
Mass Tutoring started as a tutoring project with a homemade practice-question tool, then refocused on the map students said they were missing — a trustworthy guide to everything that already exists, with official material always first. The Question Bank came later and deliberately: original questions written to the current digital test, built to complement College Board's own free practice, never to imitate or replace it. Tutoring remains what it always was — support for the students who need more than self-study.
To be clear about what the founders' scores do and don't mean: they show what's possible with free resources, not what's promised. Every student starts from a different place, and no honest program guarantees results. What we can guarantee is that money won't be the thing standing between you and good preparation.
"In every student's journey, standardized testing plays an outsized role, while measuring a pretty narrow slice of who you are. We built Mass Tutoring so that doing well on that slice doesn't require a checkbook. Your goals are our goals too."
— Ethan & Albert
What we believe
- Free means free. No paid tier, no locked content, no ads, no affiliate links, no selling your information. Ever.
- Honesty over hype. We don't promise score increases, and we tell you a resource's limitations along with its strengths. When a book isn't worth buying, we say "use the library."
- Official material first. Real questions from the test-maker beat imitations, and they're free. Our own question bank is original practice that sits alongside them, never a substitute.
- Privacy is part of access. Your study data belongs to you, stays private, and is never a product.
- The SAT is a skill, not an identity. It's one improvable number, not a measure of intelligence or worth.
Help the mission
- Students: use the guide, and tell a friend who's paying for something they don't need. Start here.
- High scorers (1530+): volunteer as a tutor, or start a school chapter through the Access Corps.
- Teachers, counselors, and librarians: see how educators use Mass Tutoring, share the guide with your students, and email us resources you think we should review.
- Families: our guide for families explains what we do, what we never ask for, and how to support a student without adding pressure.
Curious whether any of this works? We publish what we can measure — and what we can't — on our impact page.
Sources & research notes
Every factual claim above traces to one of these sources; the mapping, with caveats, lives in our public claim audit. Chart values come from an audited data file, never from eyeballing.
- Chetty, R., Deming, D., & Friedman, J. (2023). Diversifying Society's Leaders? The Determinants and Causal Effects of Admission to Highly Selective Private Colleges. NBER Working Paper 31492 / Opportunity Insights. The 13× figure and the equal-scores admissions gap are as reported by the authors and their institutions' summaries of the paper.
- College Board, SAT Suite program results and newsroom announcements for the classes of 2021–2025 (participation: ~1.5M, 1.7M, 1.9M, 1.97M, and 2M+ students respectively).
- College Board (2025). SAT Participation in the Class of 2025 Surpasses 2 Million. Newsroom announcement; 68% of the class's SAT takers tested during a school-day administration.
- Hyman, J. (2017). ACT for All: The Effect of Mandatory College Entrance Exams on Postsecondary Attainment and Choice. Education Finance and Policy 12(3). Michigan statewide data; the 10-to-5 college-ready finding is the paper's headline estimate for low-income students.
- Bommarito, S., et al. / Brookings Institution (2025). Exam ready: Who uses college admissions test prep and does it work? (July 21, 2025). Findings cited: income-graded participation in prep, modest average effects, tutoring/coaching formats most effective, and prep equalization insufficient to close score gaps. (Author list per the published article.)
- Buchmann, C., Condron, D., & Roscigno, V. (2010). Shadow Education, American Style: Test Preparation, the SAT and College Enrollment. Social Forces 89(2), 435–461.
- Nickow, A., Oreopoulos, P., & Quan, V. (2020). The Impressive Effects of Tutoring on PreK–12 Learning: A Systematic Review and Meta-Analysis of the Experimental Evidence. NBER Working Paper 27476. Average effects of roughly 0.37 standard deviations across 96 randomized/quasi-experimental studies; strongest for high-dosage, in-school programs.
Limitations we want to be caught on: the 13× statistic describes score attainment, not what prep alone could change; the tutoring meta-analysis covers school tutoring, not SAT tutoring; participation growth reflects school-day policy adoption as well as demand; and none of this research evaluates Mass Tutoring itself. If we've summarized a source unfairly, tell us and we'll fix it.