How does Test Citadel mirror the real Digital SAT Bluebook exam?

Test Citadel features an authentic Bluebook-calibrated countdown timer with visibility toggle, question navigation grid, choice eliminator cross-out tool, embedded Desmos graphing calculator, and official College Board formula sheets.

Can I try Test Citadel questions for free?

Yes. Every visitor can complete 2 free diagnostic problems (1 Math with Desmos and 1 Reading & Writing) with full Socratic explanations before upgrading to Citadel Pro.

What is included in the Citadel Pro pass?

Citadel Pro grants unlimited access to 1,065+ adaptive questions, multi-tier Socratic hint trees, Desmos graphing shortcuts, distractor trap breakdowns, and simulated full-length SAT and ACT exams.

Autonomous Calibration Engine

Configure Your Test Arena

Choose your exact timing calibration, focus section, and target difficulty. Every drill pulls 100% unique questions you have never seen before.

1. Select Training Mode

Official Simulation Standard

Authentic Bluebook & ACT module limits and question quotas.

Section-by-Section Targeted

Drill single subject with authentic timed clock.

10-Question Drill 15 Min

Rapid daily diagnostic sprint to build momentum.

2. Select Subject Area

Math (Desmos)

35 Min • 22 Qs

Reading & Writing

32 Min • 27 Qs

3. Select Difficulty Tier

Foundation 400–580

Core algebraic mechanics and foundational grammar rules.

Standard Practice 580–690

Typical College Board test day distribution with moderate traps.

800-Club Elite 700–800

Extreme distractor traps, advanced Desmos shortcuts, and 99th percentile questions.

Guaranteed Never-Repeat Engine: Your training queue strictly isolates and excludes all questions you have previously solved. The Citadel engine continuously generates fresh calibration items.

Configure Your Test Arena

Official Exam Reference Formulas

Geometric Area & Perimeter

Three-Dimensional Volumes

Algebra & Trigonometry

Desmos Graphing Calculator

Socratic Assistant