Students can practice free-response questions, submit their answers, and get targeted feedback to help them improve. Starting with AP CSA FRQs and growing into a broader CS classroom platform.
No account needed. Free for everyone.
What you get
In-browser editor with syntax highlighting and real execution. No install, no setup, works on Chromebooks.
Instant, tailored hints when students get stuck, without giving away the answer.
Per student, assignment by assignment, unit by unit. See exactly who is caught up and who is stuck.
Score distributions per assessment, comparisons across classes, and summaries of what to revisit next.
100+ FRQs and 100+ MCQs out of the box. Favorites, versioning, sharing with other teachers, and optional AI-suggested grading where you always make the final call.
A full AP CSA and CSP scope and sequence with units, learning objectives, pacing guides, and aligned assessments.