His Growing Grove Photo

Best Castro Valley Private Preschools (2026)

For the 2026 school year, there are 7 private preschools serving 1,112 students in Castro Valley, CA.
The top-ranked private preschool in Castro Valley, CA is Redwood Christian Elementary School.
The average acceptance rate is 95%, which is higher than the California private preschool average acceptance rate of 82%.
43% of private preschools in Castro Valley, CA are religiously affiliated (most commonly Catholic and Christian).

Top-Ranked Castro Valley Private Preschools (2026)

School
Location
Quick Facts
Redwood Christian Elementary School
Redwood Christian Elementary School Photo - Joyful learning starts here!
(Christian)
19300 Redwood Road
Castro Valley, CA 94546
(510) 889-7526
Gr: PK-12 | 635 students Avg. class size: 22 students Sports: 13 | Extracurrculars: 9 Tuition & acceptance rate listed
Early Bird Montessori School
Montessori School
4779 Heyer Ave
Castro Valley, CA 94546
(510) 538-7631
Gr: PK-K | 30 students
His Growing Grove
His Growing Grove Photo
Daycare / Preschool (Presbyterian)
(1)
2490 Grove Way
Castro Valley, CA 94546
(510) 581-5088
Gr: NS | 108 students Tuition listed
2330 Pomar Vista Avenue
Castro Valley, CA 94546
(510) 317-8627
Gr: PK-5 | 114 students Avg. class size: 16 students Sports: 4 | Extracurrculars: 10 Tuition & acceptance rate listed
Montessori School At Five Canyons
Montessori School
22781 Canyon Ct
Castro Valley, CA 94552
(510) 581-3729
Gr: K | 6 students
Our Lady Of Grace Catholic School
Our Lady Of Grace Catholic School Photo
(Catholic)
3427 Somerset Avenue
Castro Valley, CA 94546
(510) 581-3155
Gr: PK-8 | 207 students Sports: 2 Tuition & acceptance rate listed
Saybrook Learning Center
Daycare / Preschool
20375 Wisteria St
Castro Valley, CA 94546
(510) 581-2340
Gr: NS-PK | 12 students
[+] Show Closed Private Schools in Castro Valley, California

Castro Valley, California Private Schools (Closed)

School
Location
Quick Facts
Bright World Pre-school (Closed 2021)
Daycare / Preschool (Assembly of God)
20613 Stanton Avenue
Castro Valley, CA 94546
(510) 581-1580
Gr: PK-K | 39 students

Overview

This Town (Castro Valley)
This State (CA)
# Schools
7 Schools

Student Body:

# Students
1,112 Students
363,163 Students
% Average Students of Color
61%
50%

Academics and Faculty:

# Teachers
142 Teachers
26,512 Teachers
Average Student-Teacher Ratio
8:1
14:1
% Average Faculty w/Advanced Degree
52%
58%
Average Class Size
19 students
18 students
Average Number of AP Courses
9 courses
12 courses

Tuition and Acceptance Rate:

Average Yearly Tuition Cost
$11,675
$15,631
Average Summer Program Cost
$1,138
$785
Average % on Financial Aid
42%
25%
Average Acceptance Rate
95%
82%

Students by Ethnicity:

0.72
0.70
# American Indian Students
63 Students
1,693 Students
% American Indian Students
5%
n/a
# Asian Students
79 Students
30,302 Students
% Asian Students
7%
9%
# Hispanic Students
144 Students
43,007 Students
% Hispanic Students
13%
12%
# Black Students
67 Students
12,399 Students
% Black Students
6%
4%
# White Students
279 Students
112,259 Students
% White Students
24%
32%
# Hawaiian Students
n/a
2,000 Students
% Hawaiian Students
n/a
1%
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
523 Students
144,386 Students
% of Others Students
45%
42%
All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars
10 extracurriculars
7 extracurriculars
Average Number of Sports
6 sports
6 sports

Frequently Asked Questions

What are the top-ranked private preschools in Castro Valley, CA?
The top-ranked private preschools in Castro Valley, CA is Redwood Christian Elementary School.
How many private preschools are located in Castro Valley?
7 private preschools are located in Castro Valley.
How diverse are private preschools in Castro Valley?
Castro Valley private preschools are approximately 61% minority students, which is higher than the California private school average of 50%.
What percentage of private preschools are religiously affiliated in Castro Valley?
43% of private preschools in Castro Valley are religiously affiliated (most commonly Catholic and Christian).
Which private preschools in Castro Valley are often viewed compared to one another?
Popular comparisons of private preschools in Castro Valley include: Early Bird Montessori School vs. Mission Hills Elementary School

Recent Articles

Parent Engagement in Private Schools in 2026
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
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.
2026 Roadmap to Starting a Private School
2026 Roadmap to Starting a Private School
A 2026 guide to launching a private school, covering planning, costs, admissions timing, governance, and trends parents care about now.