AP lessons, labs and practice

Each course follows College Board's current course framework, topic by topic. Lessons ask you to predict before they explain, every answer choice tells you why it is right or wrong, and the labs run in your browser.

Courses

Exam Tuesday, May 11, 2027 AP Statistics Rebuilt for 2026-27: five units instead of nine, four 10-point free-response questions, and the regression formulas now computed with technology. Every lesson here teaches the new course. 55 lessons · 10 labs · 24 practice sets · 8 free-response questions
Exam Tuesday, May 4, 2027 AP Business with Personal Finance A new AP course, first taught in 2026-27, with its first exam in May 2027. Every topic has a full lesson, and the labs let you change a price, a cost or a payment and watch profit, savings and debt respond. 31 lessons · 3 labs · 8 practice sets

Built from the course framework

Topic titles, unit weightings and the exam format come straight from each course's Course and Exam Description, and the build refuses to run if they drift from it. Every practice answer is checked by a second, independent calculation, and every authored question was solved by a separate reviewer who never saw the key.