Study by topic
Every section, broken into topics you can finish
SAT and ACT guides are organized by question type — algebra, reading comprehension, English conventions — so a study session has a clear start and end.
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SAT, ACT, and PSAT preparation grouped by the goal they serve — getting into college — instead of scattered across separate products.
Koydo College Admissions Prep is the part of Koydo's exam-preparation portfolio aimed at students applying to college. Instead of treating the SAT, ACT, and PSAT as unrelated products, Koydo organizes them around the goal they share: earning a seat at the school you want. Free topic-by-topic study guides for the SAT and ACT are live today, covering algebra, advanced math, reading craft and structure, information and ideas, and standard English conventions, each with worked explanations. PSAT preparation is in development and will join the same group. The full adaptive practice experience — diagnostics, study plans, and mock-exam pacing — is in early access ahead of launch, and the waitlist is open. Everything is ad-free and built by KOYDO LLC, the family learning company behind the Koydo age-tier programs.
Every exam product in this group is coming soon. Free SAT and ACT study guides are open to read today.
Study by topic
SAT and ACT guides are organized by question type — algebra, reading comprehension, English conventions — so a study session has a clear start and end.

Practice honestly
Timed practice mirrors the format and rhythm of the digital SAT and the ACT, so test day feels familiar rather than new.
One membership
College admissions prep is part of the Koydo portfolio, alongside the Academy age tier and the focused learning apps — one account, one plan.
Koydo exam prep is part of the Koydo portfolio. See what a membership covers across programs, apps, and prep.
Join the waitlist and we will email you the moment full adaptive college admissions prep opens.
Join the waitlist