Workbooks + practice apps
Complete exam preparation, from the first page to test day.
Step-by-step workbooks and practice apps with full-length timed tests, clear explanations, and a study plan built from your results.
- SAT
- ACT
- HSPT
- ISEE
- SSAT
- High School Admissions
Practice apps
Practice the way the real test feels
Works in your browser. Your progress is saved on your device, so you can pick up where you left off.
Workbooks
Books by Dr. Saavedra
Short lessons, worked examples, and realistic practice questions, each with a full explanation.
About the author
Dr. Harold Saavedra
Dr. Harold Saavedra has been teaching for more than 27 years and has published several books on standardized testing.
That classroom experience shapes every workbook and practice app on this site: clear explanations, realistic practice, and a steady path to test-day confidence.
- Clear explanationsEvery answer explained, step by step.
- Realistic practiceQuestions and timing modeled on the real exams.
- A steady pathA study plan that shows what to work on next.

On YouTube
Visit the channel (opens in a new tab)
Watch lessons on the channel
Walk-throughs of test strategies and practice questions for the SAT, ACT, HSPT, ISEE, SSAT and high school admissions exams.

