Your peak,
our focus.
Prepare for the SAT, IB exams, AP exams, and much more. Take a full-length exam, work through a lesson, or get a hint from Summit AI.
What’s inside Zenith
Full-length exams, lessons, answer review, and an AI study companion. See how they fit together.
Sit the whole test.
Work through a complete practice exam with section timing, saved answers, and a review when you finish. On the SAT, how you do in your first module shapes the difficulty of your second.
Find your examDigital SAT
Both sections adapt between modules. Original Zenith questions.
Find the right format for your exam.
Complete practice forms are available for exams including SAT, ACT, GRE, GMAT, LSAT, IELTS, and the Duolingo English Test. AP and IB collections offer subject practice and lessons.
Try a question.
Check your answer and read the explanation. No account needed.
The function h(t) = −5t² + 30t + 8 models the height, in meters, of an object t seconds after launch. What is the maximum height of the object?
Choose one answer.
This is an original practice question. Full exams cover more skills and question formats.
A Desmos shortcut for averages.
When a question gives you a list of scores, type the list once. Let Desmos do the adding and dividing.
Type the list, then mean(L).
L = [12, 17, 19, 24, 27, 31, 34, 40]mean(L) = 25.5Find your exam.
Look up an exam to see its subjects and available practice.
Practice builds the skills used by these exams. Shared foundations can appear in related collections. AP subjects and IB levels have separate workspaces.
Study through test day.
Free includes short practice sets and worked explanations. Pro adds longer sets, available full-length tests, and Summit AI. Pay once for one exam through the date you choose.
Questions about Zenith
Can I try it without an account?
Yes. Answer the sample above, check the explanation, and try a different exam from the menu.
Are these official exam questions?
No. Zenith writes its own questions and explanations. Some math exercises use the same setup with different numbers. Practice results are not official exam scores.
Do all exams adapt like the SAT?
No. Zenith’s full-length SAT tests adapt between modules. Other exams use their own sections and timing.
Can I report a question or suggest a topic?
Yes. Use Report a question in practice review, or Suggest a topic in Learn search. You can also reach us through Contact.
- zenith
- /ˈziː.nɪθ/noun
- Meaning
- The highest point reached; a peak.
- The point in the sky directly overhead.