Study Smarter. Score Higher.
Digital SAT Practice Tests That Push You Into the Top Percentiles.
What Makes Our Practice Tests Different
Our online tests mirror the digital SAT’s question types, content domains, and adaptive two-module structure. Every question is written to reflect the tone, logic, and reasoning style of the official exam.
Unmatched Realism
Indicated exams include more challenging Module 2 questions — ideal for students preparing for the “hard” branch of the adaptive algorithm and aiming for competitive scores (1200–1550+) for top colleges.
A Level Above Difficulty
Our tutors have spent thousands of hours analyzing the digital SAT, designing our practice tests, and reverse-engineering the skills that drive high-level performance.
Built by Experts
Average score improvement after completing our tests and tutoring:
250+ points
Take Online Adaptive Exams
Experience realistic digital test adaptive modules — including Desmos, annotation tools, and extended time accommodations.
Principia’s Diagnostic
Our diagnostic test was designed to help identify gaps in knowledge to help our tutors create a roadmap for increasing student scores. Take this test for free!
Standard Bundle
These four full-length adaptive tests are designed for students who are new to digital SAT preparation or who would like to begin with SAT questions that address the fundamentals—if your starting SAT scores are below 1200, this bundle is for you.
Includes:
Immediate results
Detailed score reports
Comprehensive answer explanations
Module analysis by skill
Pacing data
Performance by difficulty level
Access for 1 year
4 tests for $59.99
Advanced Bundle
If you are ready to push yourself to answer some of the more difficult questions that appear on the SAT and your practice SAT scores are already above 1200, this group of 4 full-length adaptive tests are for you.
4 tests for $59.99
Comprehensive Bundle
This bundle includes all eight tests from the standard and advanced bundles. If you’re looking to take one practice test a week for the eight weeks leading up to your exam, buy all 8 tests for a discounted rate.
8 tests for $99.99
Want More Support?
Pair your practice tests with expert guidance. We offer private 1:1 SAT tutoring, virtual worldwide and in-person in the Washington, D.C. metro area. Learn more about our SAT approach here, or schedule a free 20-minute consultation by clicking the button below to get started.
About the Digital SAT
The SAT transitioned to a fully digital format in 2023–2024. Here’s what that means:
Two sections: Reading & Writing and Math
Each section has two adaptive modules, timed separately
Module 2 adjusts to your performance on Module 1
You can move freely within each module, but cannot return to the previous one once submitted
Our online adaptive practice tests replicate this structure precisely — preparing you for the pacing, navigation, and mental transitions unique to the digital format.
Preview
Prefer to practice on paper to start? Buy our physical textbooks below.
This book contains linear versions of the standard bundle, designed for students beginning their SAT prep journey who are looking to master the fundamentals.
COMING SOON! This book contains linear versions of the advanced bundle, designed for students who are looking to challenge themselves on more difficult questions.