For the 2026 school year, there are 11 private schools serving 1,120 students in 91789, CA (there are 11 public schools, serving 8,852 public students). 11% of all K-12 students in 91789, CA are educated in private schools (compared to the CA state average of 10%).
The top-ranked private school in 91789, CA is Institute Of Knowledge.
Top-Ranked 91789 California Private Schools (2026)
School
Location
Quick Facts
Institute Of Knowledge
(Islamic)
1009 Via Sorella
Walnut, CA 91789
(909) 595-2401
Walnut, CA 91789
(909) 595-2401
Gr: K-10 | 290 students Avg. class size: 15 students
Bright Star Montessori Academy
Montessori School
800 Francesca Dr
Walnut, CA 91789
(626) 839-0822
Walnut, CA 91789
(626) 839-0822
Gr: PK-K | 42 students
The Cross School Of Education
Daycare / Preschool (Christian)
20675 La Puente Rd
Walnut, CA 91789
(909) 468-9798
Walnut, CA 91789
(909) 468-9798
Gr: PK-K | 31 students
801 Brea Canyon Road
Walnut, CA 91789
(909) 598-5540
Walnut, CA 91789
(909) 598-5540
Gr: PK-5 | 88 students Avg. class size: 10 students Extracurrculars: 4
Kid Junction
Daycare / Preschool (Christian)
20704 San Jose Hills Rd
Walnut, CA 91789
(909) 595-5437
Walnut, CA 91789
(909) 595-5437
Gr: PK-K | 23 students
La Petite Academy
Daycare / Preschool
800 Francesca Dr.
Walnut, CA 91789
(626) 913-6084
Walnut, CA 91789
(626) 913-6084
Gr: PK-K | 85 students
Tutor Time
Daycare / Preschool
21639 Valley Blvd
Walnut, CA 91789
(909) 468-5979
Walnut, CA 91789
(909) 468-5979
Gr: K | 98 students Tuition listed
1920 S Brea Canyon Cut off Road
Walnut, CA 91789
(909) 895-2276
Walnut, CA 91789
(909) 895-2276
Gr: PK-5 | 96 students Avg. class size: 12 students Tuition listed
Walnut International Montessori Preschool
Montessori School
20781 Amar Rd Ste 1
Walnut, CA 91789
(909) 594-8172
Walnut, CA 91789
(909) 594-8172
Gr: PK-K | 234 students Avg. class size: 24 students Extracurrculars: 1
Walnut United Methodist Preschool
Daycare / Preschool (Methodist)
20601 La Puente Rd
Walnut, CA 91789
(909) 444-9340
Walnut, CA 91789
(909) 444-9340
Gr: PK-K | 85 students
Frequently Asked Questions
What are the top-ranked private schools in 91789, CA?
The top-ranked private schools in 91789, CA is Institute Of Knowledge.
How many private schools are located in 91789?
11 private schools are located in 91789.
How diverse are private schools in 91789?
91789 private schools are approximately 91% minority students, which is higher than the California private school average of 51%.
What percentage of students in 91789 go to private school?
11% of all K-12 students in 91789 are educated in private schools (compared to the CA state average of 10%).
Recent Articles
How Global Economic Trends Shape Private School Affordability
Explore how global economic trends influence private school affordability and enrollment in 2026, with insights for families and educators.
Parent Engagement in Private Schools in 2026
Explore how parent engagement in private schools builds strong communities, support networks, and student success in 2026.
So Many Choices: Navigating Private School Selection in 2026
A 2026 parent guide to choosing the right private school, with updated admissions timelines, tuition trends, affordability strategies, and expert insights.
