Free SAT &
ACT practice,
one question at a time.
Authentic SAT and ACT questions, each with a full worked solution. Built for students who learn by doing, deliberate practice that sticks.
Free for early sign-up.
Takes about 20 seconds.
TUTORING
↑ AN ACTUAL LIL'S PREP QUESTION
One at a time
No endless problem sets. Sit with one question, understand it fully, then move on.
Worked solutions
Every question comes with a clear, step-by-step explanation, and the Desmos calculator is there when you need it.
Math is live
SAT and ACT math is ready today. Reading and Writing follows soon.
A QUICK HELLO
Meet the tutor behind Lil's Prep
Find out more about me and why I started this!
HOW IT WORKS
Three steps to your first solve
Sign up free
Just your email. No cost, no commitment.
Answer a question
Authentic SAT and ACT problems, presented one at a time.
See how it's done
Read the full worked solution and learn the method for next time.
Meet Lil
Lil is an SAT & ACT math specialist in Manhattan, building these practice questions on her own. She's starting with the math sections of the SAT and ACT, writing new questions all summer. Follow along on Instagram to get notified when new questions drop.