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Over 50 hours of practice tests, daily problem sets, study guides, and tools — everything here is free to use and built for the current and enhanced ACT.

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Full-length ACT Practice Tests

Create a free account to take realistic, full-length ACT practice tests across English, Math, Reading, and Science — with an explanation on every question and your scores tracked over time.

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Official free ACT practice tests from ACT.org

Start with the test maker's free materials — Enhanced ACT practice tests for the current format, plus legacy PDFs with answer keys. Pair those with Test Ninjas full-length tests above for more timed reps, instant explanations, and score tracking.

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Daily Practice

Short sets to keep your skills sharp

ACT Questions of the Day

Daily ACT practice questions to keep your skills sharp. Perfect for maintaining momentum between study sessions.

ACT English Practice

Targeted practice for grammar, punctuation, and rhetorical skills. Master the rules that appear most frequently on the ACT.

Practice English

ACT Math Practice

Practice with algebra, geometry, trigonometry, and statistics problems. Build your math skills systematically.

ACT Reading Practice

Practice with authentic reading passages and questions. Improve your reading comprehension and time management skills.

Practice Reading

ACT Science Practice

Practice with data interpretation, experimental analysis, and conflicting viewpoints. Master the science reasoning skills.

Practice Science

Study Guides

Strategy and question-type breakdowns

ACT English Guide

Complete guide to the ACT English section with detailed breakdowns of all question types and skills tested.

Get English Guide

Complete guide to the ACT Math section with detailed breakdowns of all content areas and question types.

ACT Reading Guide

Complete guide to the ACT Reading section with detailed breakdowns of all passage types and question categories.

Get Reading Guide

ACT Science Guide

Complete guide to the ACT Science section with detailed breakdowns of all passage types and question categories.

Get Science Guide

ACT Math Formulas

Essential formulas and concepts you need to know for the ACT Math section.

ACT Grammar Rules

Essential grammar rules and concepts for the ACT English section.

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Vocabulary

295 English and Reading words plus 160 Science terms · 11 printable guides

ACT Vocabulary List · 295 Words

The words that frequently show up on the ACT English and Reading sections, split into Easy, Medium, and Hard tiers - each tier also a free printable guide.

Go to Word List

ACT Science Vocabulary · 8 Free PDFs

The 160 terms ACT Science assumes you already know - data and graphs, experimental design, models and evidence, and the four subject areas. Definitions, examples, and memory cues.

Browse the Guides

Study Tools

Calculators and interactive helpers

ACT Score Calculator

See how your ACT score compares to other students.

PreACT Score Calculator

Estimate your PreACT or PreACT 8/9 composite from raw section scores.

PreACT to ACT Score Converter

Project the ACT score your PreACT composite predicts, now and after prep.

Colleges by ACT Score

Interactive tool to search colleges by ACT scores.

Other Resources

Scores, changes, and comparisons

ACT Score Range Guide

Understand how ACT scores translate to college admissions and what scores you need for your target schools.

See Score Ranges

Enhanced ACT vs Traditional ACT 2025

Learn about the upcoming changes to the ACT format and how they affect each section.

Learn About Changes

ACT Test Dates 2026

Find out when you can take the ACT in 2026 and plan your test preparation schedule accordingly.

View Test Dates

How to Get Perfect 36 ACT Reading

Expert strategies and tips to achieve a perfect score on the ACT Reading section.

Get Perfect Score Tips

How to Get Perfect 36 ACT Science

Expert strategies and tips to achieve a perfect score on the ACT Science section.

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What is a Good ACT Score?

Learn what constitutes a good ACT score and how it compares to national averages and college requirements.

Learn About Scores

Compare the SAT and ACT to determine which test is better suited for your strengths and college goals.

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