Learn every section of the SAT, PSAT/NMSQT, and ACT, then prove it with a timed, randomized practice exam. Your readiness below is the share of each test's lessons you've completed — sign in to track your progress. This is a learning-readiness tracker, not an official score.
The digital SAT — two adaptive sections, scored 400–1600.
The practice SAT and National Merit qualifier — scored 320–1520.
The ACT — four sections plus a composite score of 1–36.
The SAT and PSAT/NMSQT are administered by the College Board; the ACT by ACT, Inc. Kryptós CronOS is an independent study tool and is not affiliated with or endorsed by either organization. Practice exams are drawn from the lessons above and randomized on every attempt.