Your AI tutor for SAT, ACT
and K-12.
PrepGraph is the intelligent AI tutor that sets your target score, diagnoses where you are, recommends what to study next, and keeps guiding you with personalized feedback — every day.
Official 2026–27 test dates. SAT regular registration closes about 15 days before test day; ACT about five weeks.
One tutor that remembers — from grade 6 to your test, then to college and career skills. The science behind the tutor’s memory.
Why does the disc reach the bottom before the ring?
Mic stays open — interrupt, ask back, think out loud. It's an AI tutor, and it listens.
Pick your goal. We'll build the path.
From SAT and ACT to K-12 across core subjects — PrepGraph adapts to your target, your level, and your pace.
How PrepGraph works with you
Set your goal
Pick SAT, ACT, or a K-12 grade. PrepGraph builds the plan around your target.
Take a baseline diagnostic
A short diagnostic maps your current level, surfaces hidden gaps, and sets the starting line.
Follow a personalized path
PrepGraph tells you what to study next — every day — based on your goal and progress.
Practice, adapt, improve
Every answer updates your learning map. Every session gets more personalized.
Continuous feedback
Guidance and recommendations at a level of personalization that ordinary tutoring cannot consistently match.
Test-season passes — pay once, no subscription
One payment, no auto-renewal — full access to everything through your test window.
Prefer to subscribe instead? Monthly plans start at $19.99/month — see all plans and pricing.
Start your learning journey
Set your goal. Take your baseline. Let PrepGraph guide the rest.
A school or charter network? PrepGraph for Charter Schools is at charter.prepgraph.com.
SAT and Bluebook are trademarks of College Board; PSAT/NMSQT is a trademark of College Board and National Merit Scholarship Corporation; ACT is a trademark of ACT Education Corp. PrepGraph is not affiliated with or endorsed by any of them.