How accurate is this score estimate?
Our score model is trained on real DET rubrics. The score band (e.g. 110–120) is typically accurate within ±5 points. Your exact score reflects our full AI scoring pipeline.
Do I need to sign up to take the exam?
No account needed to start. You'll receive a unique link to access your results — we recommend bookmarking it or entering your email so we can send it to you.
Is my data private?
Yes. We store your responses only to generate your score and detailed report. We do not sell your data or share it with third parties.
What do I get?
Your results page includes your exact score, per-question AI feedback, and a personalized study plan — plus permanent access to all 14 practice sets, free right now.
Can I retake the diagnostic?
You can retake after 24 hours. Each diagnostic session uses det_001 (our baseline set). The 14 practice sets are separate and can be retaken anytime.