Private School Review - Established 2003
Our Lady Of Grace Catholic School
Mission Hills Elementary School
His Growing Grove

Castro Valley Private Schools (2026)

For the 2026 school year, there are 9 private schools serving 1,147 students in Castro Valley, CA, 11% of all K-12 students in Castro Valley, CA are educated in private schools versus public schools (compared to the CA state average of 10%).
The average acceptance rate is 95%, which is higher than the California private school average acceptance rate of 80%.
44% of private schools in Castro Valley, CA are religiously affiliated (most commonly Christian and Catholic).

Quick Facts (2026)

Quick Facts (2026)

Top Ranked Castro Valley Private Schools (2026)

Redwood Christian Elementary School Photo
Redwood Christian Elementary School
Gr: PK-12 | 635 students
Avg. class size: 22 students
Sports: 13 | Extracurriculars: 9
Christian
19300 Redwood Road
Castro Valley, CA 94546
(510) 889-7526
View Profile
Map of Early Bird Montessori School
Early Bird Montessori School
Gr: PK-K | 30 students
Montessori School
4779 Heyer Ave
Castro Valley, CA 94546
(510) 538-7631
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His Growing Grove Photo
His Growing Grove
Gr: NS | 108 students
Daycare / Preschool (Presbyterian)
2490 Grove Way
Castro Valley, CA 94546
(510) 581-5088
(1)
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Mission Hills Elementary School Photo
Mission Hills Elementary School
Gr: PK-5 | 114 students
Avg. class size: 16 students
Sports: 4 | Extracurriculars: 10
2330 Pomar Vista Avenue
Castro Valley, CA 94546
(510) 317-8627
(2)
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Map of The Montessori Giving Tree
The Montessori Giving Tree
Gr: K-8 | 14 students
Montessori School
1914 Grove Way
Castro Valley, CA 94546
(510) 282-8375
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Map of Montessori School At Five Canyons
Montessori School At Five Canyons
Gr: K | 6 students
Montessori School
22781 Canyon Ct
Castro Valley, CA 94552
(510) 581-3729
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Our Lady Of Grace Catholic School Photo
Our Lady Of Grace Catholic School
Gr: PK-8 | 207 students
Sports: 2
Catholic
3427 Somerset Avenue
Castro Valley, CA 94546
(510) 581-3155
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Map of Saybrook Learning Center
Saybrook Learning Center
Gr: NS-PK | 12 students
Daycare / Preschool
20375 Wisteria St
Castro Valley, CA 94546
(510) 581-2340
View Profile
Map of Sterling West San Francisco Campus
Sterling West San Francisco Campus
Gr: 3-11 | 21 students
Christian
19234 Lake Chabot Rd
Castro Valley, CA 94546
(510) 247-9235
View Profile
[+] Show Closed Private Schools in Castro Valley, California

Castro Valley, California Private Schools (Closed)

Map of Bright World Pre-school
Bright World Pre-school
Gr: PK-K | 39 students
Daycare / Preschool (Assembly of God)
20613 Stanton Avenue
Castro Valley, CA 94546
(510) 581-1580
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Castro Valley, CA Private School Trends (10-Year)

9
Private Schools
+50.0% (+3 schools) 10-yr
1,147
Students
+81.5% (+515 students) 10-yr
$11,938
Avg. Tuition
+102.3% (+$6,038) 10-yr
19
Avg. Class Size
+18.8% (+3 students) 9-yr
61%
Students of Color
8:1
Student-Teacher Ratio
-38.5% (-5.0) 10-yr
Download town snapshot: CSV | XML | JSON Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission.
Enrollment & Diversity
Category
This Town (Castro Valley)
This State (CA)
# Schools
9 Schools
3,911 Schools

Trends in Total Number of Private Schools

YearCastro Valley, CA Total Schools
20259
20249
20239
20227
20219
202010
20198
20188
20178
20168
20156
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# Students
1,147 Students
659,573 Students

Trends in the Average Number of Students Per Private School

YearCastro Valley, CA AvgCalifornia (CA)National
2025127180179
2024133175172
2023205181174
2022117189185
202195185180
202086179171
2019103179175
201896173172
201796179180
201698173178
2015105162167
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% Students of Color
61%
52%

Percentage of Students of Color Trends (2015-2025)

YearCastro Valley, CA AvgCalifornia (CA)National
202561%51%34%
202453%51%34%
202361%50%33%
202249%48%33%
202149%48%32%
202049%48%32%
201949%48%31%
201849%47%31%
201754%50%32%
201655%49%32%
201561%49%32%
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0.72
0.74

Diversity Score Trends

YearCastro Valley, CA AvgCalifornia (CA)National
20250.720.740.65
20240.720.740.65
20230.710.740.65
20220.760.730.64
20210.760.730.64
20200.760.730.64
20190.760.730.63
20180.760.730.63
20170.740.720.61
20160.730.720.61
20150.690.720.61
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▼ Show more data/charts: racial breakdown
# American Indian Students
63 Students
3,575 Students
% American Indian Students
5%
1%

Percentage of Private School Students of American Indian Trends

YearCastro Valley, CA AvgCalifornia (CA)National
20255%1%1%
20245%1%1%
20234%1%1%
202210%1%2%
20219%1%1%
20209%1%1%
20199%2%1%
20189%1%2%
20179%1%1%
201610%1%1%
201511%2%1%
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# Asian Students
83 Students
71,836 Students
% Asian Students
7%
11%

Asian Student Percentage Trends

YearCastro Valley, CA AvgCalifornia (CA)National
20257%11%5%
20247%11%5%
20236%11%5%
20225%10%4%
20215%10%4%
20205%10%4%
20196%10%4%
20186%10%4%
20179%10%4%
20169%10%4%
201510%10%4%
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# Hispanic Students
152 Students
104,429 Students
% Hispanic Students
13%
16%

Hispanic Student Percentage Trends

YearCastro Valley, CA AvgCalifornia (CA)National
202513%16%9%
202413%16%9%
20238%16%9%
20227%16%8%
20218%16%9%
20209%16%9%
20198%16%8%
20188%17%8%
201711%17%8%
201611%17%8%
201513%17%8%
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# Black Students
70 Students
30,223 Students
% Black Students
6%
5%

Black Student Percentage Trends

YearCastro Valley, CA AvgCalifornia (CA)National
20256%5%7%
20246%5%7%
20237%5%8%
202210%4%7%
20219%5%7%
202010%5%8%
201910%4%7%
201810%4%7%
20177%5%7%
20167%5%7%
20159%5%8%
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# White Students
288 Students
235,809 Students
% White Students
24%
37%

White Student Percentage Trends

YearCastro Valley, CA AvgCalifornia (CA)National
202524%37%52%
202424%37%52%
202333%38%52%
202234%40%54%
202134%40%54%
202034%40%54%
201935%41%56%
201835%41%56%
201745%43%58%
201646%43%58%
201551%43%58%
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# Hawaiian Students
3 Students
5,499 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
531 Students
188,502 Students
% of Others Students
45%
29%

Other Races Student Percentage Trends

YearCastro Valley, CA AvgCalifornia (CA)National
202545%29%26%
202445%29%26%
202342%28%25%
202233%28%25%
202134%27%25%
202032%27%24%
201931%26%24%
201831%26%23%
201719%24%22%
201617%24%22%
20156%23%21%
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All Ethnic Groups
Academics
# Teachers
146 Teachers
55,645 Teachers
Average Student-Teacher Ratio
8:1
12:1

Student-Teacher Ratio Trends (2015-2025)

YearCastro Valley, CA AvgCalifornia (CA)National
20258:112:111:1
202417:112:111:1
202319:112:111:1
202213:112:111:1
202113:113:111:1
202013:113:112:1
201912:112:112:1
201812:112:112:1
201712:113:112:1
201610:113:112:1
201513:113:112:1
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% Average Faculty w/Advanced Degree
52%
59%

Percentage of Faculty With Advanced Degrees Trends (2016-2025)

YearCastro Valley, CA AvgCalifornia (CA)National
202552%59%55%
202452%58%54%
202347%58%54%
202253%59%54%
202115%59%54%
202015%58%54%
201915%58%53%
201815%58%53%
201715%58%53%
20166%57%52%
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Average Class Size
19 students
17 students

Class Size Trends (2016-2025)

YearCastro Valley, CA AvgCalifornia (CA)National
2025191715
2024191715
2023191715
2022131715
2021131715
2020141715
2019141715
2018141715
2017121715
2016161715
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Average Number of AP Courses
9 courses
15 courses

Trends in Average Number of AP Courses Offered

YearCastro Valley, CA AvgCalifornia (CA)National
202591513
2023111311
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Tuition & Aid
Average Yearly Tuition Cost
$11,938
$18,344

Tuition Cost Trends (2015-2025)

YearCastro Valley, CA AvgCalifornia (CA)National
2025$11,675$18,076$15,012
2024$6,894$17,195$13,254
2023$9,222$16,660$12,626
2022$6,442$15,979$12,187
2021$9,067$15,298$11,800
2020$8,628$14,748$11,512
2019$8,628$14,369$11,293
2018$8,467$13,813$11,017
2017$8,311$13,422$10,708
2016$5,900$12,852$10,356
2015$5,900$11,932$9,939
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Average Summer Program Cost
$1,138
$1,062

Summer Program Cost Trends (2024-2025)

YearCastro Valley, CA AvgCalifornia (CA)National
2025$1,138$1,044$1,152
2024$1,875$999$1,128
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Average % on Financial Aid
42%
29%

Percent on Financial Aid Trends (2016-2025)

YearCastro Valley, CA AvgCalifornia (CA)National
202542%29%34%
202430%29%34%
202330%29%34%
202230%28%33%
202125%28%33%
202025%28%32%
201925%27%31%
201825%27%30%
201725%27%30%
201630%26%29%
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Admissions & Athletics
Average Acceptance Rate
95%
80%

Acceptance Rate Trends (2016-2025)

YearCastro Valley, CA AvgCalifornia (CA)National
202595%80%81%
202493%84%85%
202392%84%85%
202293%84%85%
202190%84%85%
202090%84%85%
201990%84%85%
201890%84%85%
201790%85%85%
201690%84%85%
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Average Number of Extracurriculars
10 extracurriculars
9 extracurriculars
Average Number of Sports
6 sports
7 sports

Frequently Asked Questions

What are the top ranked private schools in Castro Valley, CA?
The top ranked private schools in Castro Valley, CA is Redwood Christian Elementary School.
How many private schools are located in Castro Valley?
9 private schools are located in Castro Valley.
How diverse are private schools in Castro Valley?
Castro Valley private schools are approximately 61% minority students, which is higher than the California private school average of 52%.
What percentage of students in Castro Valley go to private school?
11% of all K-12 students in Castro Valley are educated in private schools (compared to the CA state average of 10%).
What percentage of private schools are religiously affiliated in Castro Valley?
44% of private schools in Castro Valley are religiously affiliated (most commonly Christian and Catholic).
Which private schools in Castro Valley are often viewed compared to one another?
Popular comparisons of private schools in Castro Valley include: Early Bird Montessori School vs. Mission Hills Elementary School

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