Beat the ACT with practice you don't have to pay for.
ACT Vault is a free library of 1,080+ original ACT-style questions, 10 full-length practice tests, and clear study guides for the English, Math, Reading, and Science sections — with detailed answer explanations on every question.
Four sections. One vault.
English
Grammar, punctuation, sentence structure, and rhetorical skills across five short passages.
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Math
Sixty problems spanning pre-algebra through trigonometry, in order of increasing difficulty.
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Reading
Four passages, ten questions each, across fiction, social science, humanities, and natural science.
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Science
Six or seven passages of data tables, experiments, and conflicting viewpoints — interpretation, not memorization.
Start drilling →Ten timed practice tests, free.
Each test mirrors the structure of an official ACT — 215 multiple-choice questions across four timed sections — so you can train your pacing under realistic conditions.
Strategy notes from people who teach this stuff.
30-Day ACT Study Plan
A four-week study plan that gets you from a diagnostic test to test day with structured daily practice.
StrategyACT Pacing Guide
How fast you actually need to go on each section, with per-question time targets and triage tactics.
EnglishACT English: Section Overview
Everything you need to know about the structure, scoring, and strategy of the ACT English section.
MathACT Math: Section Overview
Everything you need to know about the structure, scoring, and strategy of the ACT Math section.
ReadingACT Reading: Section Overview
Everything you need to know about the structure, scoring, and strategy of the ACT Reading section.
ScienceACT Science: Section Overview
Everything you need to know about the structure, scoring, and strategy of the ACT Science section.
Take the score calculator for a spin.
Convert raw scores to scaled 1–36 scores for every section, plus your composite.
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