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Adaptive TACHS assessments

TACHS Diagnostic Tests

Pinpoint your strengths and gaps with two-stage adaptive assessments. Each test identifies your strengths and gaps using AI-powered question selection.
AI-powered selection~30 min eachTrack progress over time
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Begin your TACHS Adaptive Diagnostic
Answer ~30 adaptive questions and get an instant score with a personalized read on where to focus. Takes about 30 minutes.
Tachs Ability
Two-stage adaptive diagnostics for Tachs Ability.
10 diagnosticsStart
Tachs Math
Two-stage adaptive diagnostics for Tachs Math.
10 diagnosticsStart
Tachs Reading
Two-stage adaptive diagnostics for Tachs Reading.
10 diagnosticsStart
Tachs Written Expression
Two-stage adaptive diagnostics for Tachs Written Expression.
10 diagnosticsStart
Two-stage adaptive testing
Each diagnostic has two stages. Stage 1 calibrates your ability with medium-difficulty questions, then Stage 2 adapts in real time — serving easier or harder questions based on your demonstrated skill. A more accurate assessment in less time.