Private School Review - Established 2003

Best 91789 California Private High Schools (2026-27)

For the 2026-27 school year, there are 2 private high schools serving 338 students in 91789, CA.
The top ranked private high school in 91789, CA is Institute Of Knowledge.
50% of private high schools in 91789, CA are religiously affiliated (most commonly Islamic).

Quick Facts (2026-27)

Quick Facts (2026-27)

Top Ranked 91789 California Private High Schools (2026-27)

Map of Institute Of Knowledge
Institute Of Knowledge
Gr: K-10 | 290 students
Islamic
1009 Via Sorella
Walnut, CA 91789
(909) 595-2401
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Map of Allais School
Allais School
Gr: 2-11 | 48 students
20525 Valley Blvd
Walnut, CA 91789
(626) 818-9165
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Frequently Asked Questions

What are the top ranked private high schools in 91789, CA?
The top ranked private high schools in 91789, CA is Institute Of Knowledge.
How many private high schools are located in 91789?
2 private high schools are located in 91789.
What percentage of private high schools are religiously affiliated in 91789?
50% of private high schools in 91789 are religiously affiliated (most commonly Islamic).

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