Free GED® and SAT® prep that shows you what to study next.
Prepare for GED® Math, Science, Social Studies and RLA, or SAT® Math and Reading & Writing, with clear lessons and explained practice.
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How it works
Three simple steps — no guesswork about what to study next.
Take the free diagnostic
A short quiz pinpoints your strengths and the exact topics to review — then recommends the right courses for you.
Learn with clear lessons
Plain-language explanations, real-world examples, and labeled diagrams build genuine understanding, not just memorization.
Practice & track progress
Answer multiple-choice and written-response questions with full explanations, and watch your accuracy climb on your progress dashboard.
GED® & SAT® Study Guides
View all study guides →How to Beat Test Anxiety on GED® and SAT® Exam Day
Nervous about the GED® or SAT®? Test anxiety is normal and manageable. Here are practical ways to stay calm and focused before and during the exam.
Read article →Active Recall and Spaced Repetition: The Two Study Methods That Actually Work
Rereading notes feels productive but rarely sticks. Learn how active recall and spaced repetition help GED® and SAT® students remember more in less time.
Read article →How to Start Studying for the GED® and SAT®: A Simple Weekly Plan
A practical study plan for GED® and SAT® learners: start with a diagnostic, focus on weak skills, practice in short blocks, and review mistakes the right …
Read article →Choose your GED® or SAT® study path
Start with the exam you are preparing for, then choose the subject or complete course that matches your goal.
GED® Ratios, Proportions and Scale Factors
A focused 24-session GED® Mathematical Reasoning course on ratios, equivalent ratios, proportions, ratio tables, part-to-part and part-to-whole reasoning, scale drawings, map scales, similar figures, direct variation, percent proportions, …
GED® Science Test Preparation Online Course
A complete, ground-up GED® Science course for adults who did not finish high school. It uses the calm, repeatable Bridge Method and the READ–CHOOSE–CHECK question strategy to take …
Advanced Graphs and Functions for GED® Math
A complete 12-week self-study GED® Advanced Graphs and Functions course with a source-informed syllabus, course outcomes, full course materials, 24 SVG-supported lessons, 240 lesson MCQs with step-by-step explanations, …
SAT® Reading & Writing 2026: Complete 8-Week Self-Study System
A professional 8-week self-study course for the digital SAT® Reading and Writing section. Includes 24 content-rich lessons with authentic 90-130-word academic passages, 288 lesson questions with full explanations, …
SAT® Math 2026: Complete 16-Week Course
A comprehensive, self-paced 16-week SAT® Math course designed for the 2026 Digital SAT®. Covering all four College Board domains — Algebra, Advanced Math, Problem-Solving & Data Analysis, and …
Math Nonlinear Systems
An intensive Algebra course for mastering nonlinear systems on SAT®-style math: line-parabola intersections, substitution into quadratics, number-of-solutions questions, parameters, circles, radical and rational systems, and modeling. Lessons progress …