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Adaptive ACT assessments

ACT Adaptive diagnostics

Pinpoint your strengths and gaps with two-stage adaptive assessments — by section. Pick a subject to see every available diagnostic.
AI-powered selection~30 min eachTrack progress over time

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Begin your ACT Adaptive Diagnostic

Choose Math, English, Reading, or Science to start a two-stage adaptive diagnostic. Results feed your plan without changing the section-based flow.

Choose a diagnostic

Two-Stage Adaptive Testing

Each diagnostic has two stages. Stage 1 calibrates your ability level with medium-difficulty questions, then Stage 2 adapts in real-time—serving easier or harder questions based on your demonstrated skill. This gives you a more accurate assessment in less time.