1600 is not a lottery.
It's an algorithm.
The Digital SAT is multi-stage adaptive. If you miss 5 questions in Module 1, your section score is mathematically capped at 590 before you even see Module 2. We engineer your preparation around the algorithm.
A population of snow leopards in the Tian Shan mountains is modeled by the function P(t) = c(1 + r)ᵗ, where t is years after 2020. If the population was 360 in 2020 and grows by 8% annually, which equation represents the population?
Exact match: Initial value c = 360 and annual rate r = 0.08 gives base factor (1 + 0.08) = 1.08. • Speed bonus: Solved in 38s (+15 IRT speed index).
Engineering your score ascent,
brick by psychometric brick.
A static question bank cannot prepare you for an adaptive exam. Every mechanism in SAT.UZ is designed around how the real digital SAT is structured and scored.
True 2-Stage Adaptive Routing (Bluebook Fidelity)
The digital SAT is not a linear test. Your accuracy in Module 1 determines whether you branch into the Hard or Easy Module 2. Test the routing trigger below:
Unlocks maximum IRT potential. Highest possible score trajectory: 600–800 pts.
Penalizes maximum scaled potential. Even 100% correct in Easy Module 2 cannot score above 590 pts.
First-Class Mistake Lab
A mistake isn't just a red X. It is classified by error type and tracked from unresolved to verified mastery.
Socratic AI Companion
Never gives away answers. Explains the grammatical or mathematical root cause, then generates drill twins.
Why is choice D wrong in question 9?
Choice D uses the present perfect 'has developed', but the sentence context already established the 1920 historical timeline with 'established'. Both verbs must match the past tense for parallel consistency.
Dynamic Roadmap Wired to Your Official Test Date
ExamOS counts backwards from your real test registration date. When you master a concept on Tuesday, Wednesday's curriculum automatically re-adjusts.
Built for learners,
trusted by parents and top educators.
Whether you're studying solo for an Ivy League scholarship, managing 80 students in a Tashkent learning center, or checking your child's weekly progress.
Your personal 24/7 SAT tutor and testing engine.
Every session is calibrated to your exam date. No wasted time on concepts you’ve already mastered—ExamOS zeroes in on high-yield gaps with Socratic guidance.
- Socratic AI Companion breaks down error causes without spoiling solutions.
- Daily study streak loops and gamified XP progression.
- Real-time score forecasts updating after every module sitting.
Start free. Scale up when you need to.
Diagnose and get started. No time limit.
Free
Diagnose and get started. No time limit.
- Diagnostic assessment
- Personalized roadmap & daily plan
- Unlimited practice
- 1 full-length mock exam
SAT Premium
The full adaptive engine.
- Everything in Free
- 8 full-length mock exams / mo
- AI companion, 500 messages / mo
- 7-day trial included
Institution
Schools & prep centers.
- Everything in Premium
- Class & teacher dashboards
- Assignments & rosters
- Class analytics
Most learners finish in 35-45 minutes. You can pause and resume if needed.
SAT is our first focus in Uzbekistan. IELTS, TOEFL, and other exams are coming next.
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Every question is authored to match the real exam's format and blueprint. SAT.UZ is not affiliated with or endorsed by the College Board.
Yes. The whole site is built mobile-first. A dedicated app is on the roadmap.
Parents link to a learner with a share code and see mock scores, study streak, and recent activity. Read-only, nothing they can edit.
Yes. Contact us for a center account with class and teacher dashboards, rosters, and assignments.
It explains mistakes, answers questions about what you got wrong, and suggests practice. It never writes your scores, mastery, or roadmap. Those always come from your real answers.
Know exactly what to studybefore your test date arrives.
Take the free 35-minute diagnostic today. Pinpoint your exact baseline across every Math and Reading & Writing skill, and unlock your personalized study roadmap.