🛠️ Study Tools
Free test prep and subject practice for every high school student
SAT Math Prep
Heart of Algebra · Problem Solving · Advanced Math
ACT English
Grammar, punctuation, and rhetoric practice
SAT Reading
Evidence-based reading comprehension practice
ACT Math
Pre-algebra through pre-calculus questions
AP US History
DBQ, short answer, and multiple choice
AP Calculus AB
Limits, derivatives, integrals, and applications
AP Biology
Cellular processes, genetics, evolution, ecology
AP Lang & Comp
Rhetorical analysis and argument essays
SAT Writing
Grammar rules and effective language use
Flash Cards
SAT vocab and subject concept review
Vocab Builder
High-frequency SAT/ACT vocabulary quiz
SAT Mock Test
Full-length timed SAT simulation (3 hours)
ACT Mock Test
Full-length timed ACT simulation (2h 55m)
Grammar Drill
Punctuation, sentence structure, and usage
ACT Science
Data interpretation and scientific reasoning
World History
Major civilizations, wars, and movements
Physics: Mechanics
Newton's laws, energy, and momentum
Chemistry
Periodic table, reactions, stoichiometry
Algebra Review
Linear equations, quadratics, polynomials
Geometry
Triangles, circles, area, volume, proofs
English Literature
Poetry, prose, and literary terms
Error Log
Track and review your mistakes
Study Timer
Pomodoro technique for focused study
GPA Calculator
Calculate weighted and unweighted GPA
College Matcher
Find colleges that fit your profile
Financial Aid Guide
FAFSA, scholarships, and aid tips
Random Subject Quiz
Mix of all subjects for daily review
Note Taking
Digital notes with organization tools
STEM Career Guide
Explore STEM majors and career paths
Test Anxiety Guide
Tips and techniques to calm test nerves