Crafted by perfect scorers for the new Digital SAT with AI-adaptive practice questions, personalized diagnostics, and a handcrafted curriculum to help you achieve your dream score.
The Diagnostic and your first practice set are free — no card required.
Diagnostic
0 of 7 categories
Predicted SAT Score
1420–1480
Predicted SAT Score
1420–1480
↑ 80 ptsBuilt on a following that already trusts the teaching
8M+
Views across the PrepHub channels, from the same person writing every question here.
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21 questions · 7 categories
01
21 questions, one per difficulty across all 7 tested categories. It ends with a Predicted SAT Score range and a per-category read on where you stand.
Questions allocated this set
02
Each 21-question set is generated from your own ability scores, weighted toward the categories losing you the most points right now.
Predicted SAT Score
1420–1480
↑ 80 pts since your Diagnostic
03
Every completed set updates your category mastery and your Predicted SAT Score, so progress is something you can actually see rather than assume.
Your ability score moves per category after every question you finalize. The next set is built from those numbers — not from a fixed syllabus, and not from what you answered first.
Every question carries a written, step-by-step explanation of how the answer is reached — so a wrong answer turns into something you learn from instead of a red X.
Why B is correct
Step 1
Isolate x by subtracting 5 from both sides of the equation.Step 2
Divide both sides by 3 — x = 5, which matches answer choice B.Our Diagnostic can be taken in one sitting and costs nothing. We'll also give you a free test-analysis pointing out the exact categories dragging your score down.