Best Walnut Private High Schools (2025)

For the 2025 school year, there are 2 private high schools serving 338 students in Walnut, CA.
The top ranked private high school in Walnut, CA is Institute Of Knowledge.
50% of private high schools in Walnut, CA are religiously affiliated (most commonly Islamic).

Top Ranked Walnut Private High Schools (2025)

School
Location
Grades
Students
Institute Of Knowledge
(Islamic)
1009 Via Sorella
Walnut, CA 91789
(909) 595-2401
Grades: K-10
| 290 students
Allais School
20525 Valley Blvd
Walnut, CA 91789
(626) 818-9165
Grades: 2-11
| 48 students

Frequently Asked Questions

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

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