Choose Your Test
Each test has 3 independently generated full-length question banks, timed sections, and AI-scored writing tasks.
SAT
400–1600 · College Board
The most widely accepted US college admission test. Digital, adaptive format with Reading & Writing and Math sections.
ACT
1–36 composite · ACT Inc.
Includes a Science Reasoning section. Tests English, Math, Reading, and Science in a fast-paced format ideal for STEM students.
LSAT
120–180 · LSAC
Required for ABA-accredited law school admission. Tests logical reasoning, analytical reasoning (logic games), and reading comprehension.
MCAT
472–528 · AAMC
The comprehensive medical school admission test. 7.5 hours covering chemistry, biology, physics, psychology, and critical analysis.
GRE
260–340 total · ETS
The most widely accepted graduate admissions test. Covers verbal reasoning, quantitative reasoning, and analytical writing.
GMAT
205–805 · GMAC
The premier MBA and business school admission test. Focus Edition tests verbal reasoning, quantitative reasoning, and data insights.
IELTS
Band 1–9 · British Council / IDP
The world's most widely taken English proficiency test. Accepted by 11,500+ institutions in 140+ countries for study and immigration.
TOEFL iBT
0–120 · ETS
Preferred by US and Canadian universities. Fully computer-based test of Reading, Listening, Speaking, and Writing proficiency.
What Every Test Includes
Every CollegeCountdown diagnostic test is built to the same high standard.
3 Banks per Test
Each test type has 3 independently generated question banks — 24 full-length exams total.
Real Timed Conditions
Every section runs under the real time limit. Auto-submits when time expires.
AI Writing Scorer
Writing tasks are evaluated by Claude AI against official band descriptors and scoring rubrics.
Instant Section Scores
Results returned immediately after submission — no waiting days for your diagnostic score.
Weak-Area AI Drills
CollegeCountdown pinpoints your lowest sub-skills and serves targeted practice questions.
Score History
All attempts logged and charted so you can track improvement over time.
Find the Right Test for You
Not sure which test to prepare for? Start here.
Applying to US colleges (undergrad)?
Take the SAT or ACT — or both. Most students benefit from a diagnostic of each to find their best fit.
Going to law school?
The LSAT is required by virtually every ABA-accredited law school in the US and Canada.
Going to medical school?
The MCAT is required for MD and DO programs. Start preparing at least 6–12 months before your test date.
Applying to graduate or business school?
The GRE is accepted by most graduate programs; the GMAT is the premier test for MBA programs.
International student applying abroad?
Most universities require IELTS or TOEFL to demonstrate English proficiency. Check which your target schools accept.
Ready to find your baseline?
Create a free account and take your first full-length diagnostic today. No credit card required.