The ACT^® is the leading US college admissions test, measuring what you learn in high school to determine your academic readiness for college. The test usually lasts between 3 - 4 hours and covers questions on the following subjects:

English     |     Mathematics     |     Reading     |     Science     |      Writing (optional)

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PrepScholar ACT® Study Guides by Subject

English

• What's Actually Tested on the ACT English Section?

• The Complete Guide to ACT Grammar Rules

Math

• What's Actually Tested on the ACT Math Section?
• The 31 Critical ACT Math Formulas You MUST Know

Reading

• What's Actually Tested on the ACT Reading section?

• The 4 Types of ACT Reading Passages You Should Know

• ACT Vocabulary: Words You Must Know

Science

• What's Actually Tested on the ACT Science Section?

• The 3 Types of ACT Science Passages

Writing (Optional)

• The Complete Guide to ACT Grammar Rules

• How to Write an ACT Essay, Step by Step