KDP categories · Top KDP authors
Prep School (High School, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Prep School (High School, Kindle eBooks), updated Nov 2, 2026: median price $9.99, median 10 reviews, average rating 4.4 and a KDPTop opportunity score of 24/100 (highly competitive).
| Price range (middle 50%) | $9.99 – $12.99 |
|---|---|
| Average rating | 4.4 |
| New releases (90 days) | 19% |
| Books on the list | 98 |
| Store | Kindle eBooks |
What stands out
- 19% of its best sellers came out in the last 90 days, more than in 86% of Kindle eBooks categories: readers here keep buying new titles.
- Its review barrier is lower than in 81% of Kindle eBooks categories: the median best seller has only 10 reviews, so new books can chart with few.
Top 10 Prep School best sellers
-
New York City SHSAT Prep: Boost Your Scores and Pass at Your First Try with Expert Tips and 1400 Q&A with Detailed Explanations
by Lucas Males
- List rank#1
- Price$9.99
- Rating3.1
- Reviews38
-
ISEE Upper Level: Full prep book - Detailed Answer Explanations
by Elite Academy Edition
- List rank#2
- Price$0.99
- Rating4.6
- Reviews16
-
SHSAT Prep Book 2026-2027: 30 Full-Length Practice Tests + SHSAT Test Prep + Online Exam Simulator: [10th Edition]
- List rank#3
- Price$12.99
- Rating4.6
- Reviews21
-
Advanced SCAT Preparation: 3 Full Length Tests with Explanations
by Larchmont Academics
- List rank#4
- Price$12.99
- Rating5.0
- Reviews5
-
GED Guía de Estudio 2026-2027 Todas las Materias en Español: Preparación Completa con 1,900+ Preguntas de Práctica, 8 Exámenes Completos y Soluciones Paso a Paso (GED® Series) (Spanish Edition)
by S C TANYA
- List rank#5
- Price$12.99
- Rating4.0
- Reviews6
-
TACHS Exam Prep Book 2026-2027: Complete Study Guide for NYC Catholic High School with Full-Length Practice Tests, 1,200+ Questions & Step-by-Step Explanations
by Morgan Adams Academy
- List rank#6
- Price$9.99
- Reviews-
-
NEW YORK CITY SHSAT PREP BOOK 2025-2026: 5 Full-Length Practice Tests with Complete ELA, Math Review Guide and Detailed Explanations for the NYC Specialized High Schools Exam
by MARIS ALDERWOOD
- List rank#7
- Price$9.99
- Reviews-
-
Catholic High School Entrance Exam Study Guide: 1000+ Practice Questions & 6 Full-Length Simulation for HSPT, TACHS & COOP with Structured Reviews, Confidence-Boosting Strategies, Clear Explanations
by Michael R. Hawthorne
- List rank#8
- Price$0.99
- Rating4.8
- Reviews26
-
PSAT/NMSQT Prep 2026-2027: 37 Full-Length Practice Tests, Online Simulator, Every Answer Explained, Merit Points Calculator, and Much More
by Goldmark Prep
- List rank#9
- Price$0.99
- Rating5.0
- Reviews47
-
GED Total Test Prep: The Complete & Up-to-Date Study Guide to ACE the GED Exam and Achieve Your Best Score. Step-by-Step Guidance, Practice That Works, Proven Expert Tips
- List rank#10
- Price$9.99
- Rating4.4
- Reviews754
Same niche in Books: Prep School
FAQ
Is Prep School a good niche for Amazon KDP?
Its KDPTop opportunity score is 24/100, which makes it highly competitive. The median best seller has 10 reviews and sells for $9.99.
How many reviews do you need to rank in Prep School?
The median best seller has 10 reviews, and 91% of them have fewer than 100.
What do Prep School best sellers cost?
The median price is $9.99; half of the best sellers are priced between $9.99 and $12.99.
Can new books break into Prep School?
19% of the current best sellers were released in the last 90 days.
About this data
Data comes from KDPTop's daily crawl of Amazon's public Best Sellers pages; medians use the latest list. The opportunity score (0–100, higher is easier to enter) combines the review barrier, the share of low-review books, list turnover, new-release share and price.