Discovery World Montessori Photo

Best Walnut Private Schools (2026)

For the 2026 school year, there are 11 private schools serving 1,120 students in Walnut, CA (there are 11 public schools, serving 8,852 public students). 11% of all K-12 students in Walnut, CA are educated in private schools (compared to the CA state average of 10%).
The top-ranked private school in Walnut, CA is Institute Of Knowledge.
36% of private schools in Walnut, CA are religiously affiliated (most commonly Christian and Islamic).

Top-Ranked Walnut Private Schools (2026)

School
Location
Quick Facts
Institute Of Knowledge
(Islamic)
1009 Via Sorella
Walnut, CA 91789
(909) 595-2401
Gr: K-10 | 290 students Avg. class size: 15 students
Allais School
20525 Valley Blvd
Walnut, CA 91789
(626) 818-9165
Gr: 2-11 | 48 students
Bright Star Montessori Academy
Montessori School
800 Francesca Dr
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
Gr: PK-K | 31 students
Discovery World Montessori
Discovery World Montessori Photo
Montessori School
(2)
801 Brea Canyon Road
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
Gr: PK-K | 23 students
La Petite Academy
Daycare / Preschool
800 Francesca Dr.
Walnut, CA 91789
(626) 913-6084
Gr: PK-K | 85 students
Tutor Time
Daycare / Preschool
21639 Valley Blvd
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
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
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
Gr: PK-K | 85 students

Overview

This Town (Walnut)
This State (CA)
# Schools
11 Schools

Student Body:

# Students
1,120 Students
665,722 Students
% Average Students of Color
91%
51%

Academics and Faculty:

# Teachers
63 Teachers
55,562 Teachers
Average Student-Teacher Ratio
18:1
12:1
% Average Faculty w/Advanced Degree
42%
59%
Average Class Size
15 students
17 students

Tuition and Acceptance Rate:

Average Yearly Tuition Cost
$20,000
$18,024
Average % on Financial Aid
15%
29%
Average Financial Aid Grant
$2,000
$8,935

Students by Ethnicity:

0.53
0.74
# American Indian Students
n/a
3,584 Students
% American Indian Students
n/a
n/a
# Asian Students
263 Students
72,174 Students
% Asian Students
23%
11%
# Hispanic Students
41 Students
104,627 Students
% Hispanic Students
4%
16%
# Black Students
19 Students
30,466 Students
% Black Students
2%
5%
# White Students
48 Students
236,488 Students
% White Students
4%
37%
# Hawaiian Students
24 Students
5,515 Students
% Hawaiian Students
2%
1%
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
725 Students
190,072 Students
% of Others Students
65%
30%
All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars
3 extracurriculars
9 extracurriculars

Frequently Asked Questions

What are the top-ranked private schools in Walnut, CA?
The top-ranked private schools in Walnut, CA is Institute Of Knowledge.
How many private schools are located in Walnut?
11 private schools are located in Walnut.
How diverse are private schools in Walnut?
Walnut private schools are approximately 91% minority students, which is higher than the California private school average of 51%.
What percentage of students in Walnut go to private school?
11% of all K-12 students in Walnut are educated in private schools (compared to the CA state average of 10%).
What percentage of private schools are religiously affiliated in Walnut?
36% of private schools in Walnut are religiously affiliated (most commonly Christian and Islamic).
Which private schools in Walnut are often viewed compared to one another?

Recent Articles

Financial Aid 101 for Private School Families 2026
Financial Aid 101 for Private School Families 2026
Guide to private school financial aid in 2026, with current costs, key planning timelines and practical steps parents need to maximize aid options.
Why Extracurricular Activities Matter in 2026
Why Extracurricular Activities Matter in 2026
Discover why extracurricular activities remain essential in 2026, with updated research, costs, and admissions insights for parents and students.
How to Appeal for Financial Aid After Admission
How to Appeal for Financial Aid After Admission
Learn how to appeal for financial aid after admission to a private school, with expert steps, timelines, and 2026 updates for families.