Private School Review - Established 2003

Castro Valley Private High Schools (2026-27)

For the 2026-27 school year, there are 2 private high schools serving 656 students in Castro Valley, CA.
The average acceptance rate is 90%, which is higher than the California private high school average acceptance rate of 81%.
100% of private high schools in Castro Valley, CA are religiously affiliated (most commonly Christian).

Quick Facts (2026-27)

Quick Facts (2026-27)

Top Ranked Castro Valley Private High Schools (2026-27)

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 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
View Profile

Castro Valley, CA Private School Trends (5-Year)

2
Private Schools
+100.0% (+1 school) 5-yr
656
Students
+3,023.8% (+635 students) 5-yr
$16,915
Avg. Tuition
+3.5% (+$574) 2-yr
22
Avg. Class Size
-12.0% (-3 students) 2-yr
62%
Students of Color
+24.0% (+12.0 pp) 5-yr
7:1
Student-Teacher Ratio
-36.4% (-4.0) 5-yr
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Enrollment & Diversity
Category
This Town (Castro Valley)
This State (CA)
# Schools
2 Schools
1,120 Schools
# Students
656 Students
272,380 Students

Trends in the Average Number of Students Per Private High School

YearCastro Valley, CA AvgCalifornia (CA)National
2025328254253
202421249245
2023341261247
202121265249
202021250235
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% Students of Color
62%
50%

Percentage of Students of Color Trends (2020-2025)

YearCastro Valley, CA AvgCalifornia (CA)National
202562%49%32%
202450%48%31%
202368%47%31%
202150%43%30%
202050%42%29%
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0.60
0.73

Diversity Score Trends

YearCastro Valley, CA AvgCalifornia (CA)National
20250.600.730.61
20240.670.730.60
20230.690.720.60
20210.670.690.57
20200.670.690.57
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Show more data/charts: racial breakdown
# American Indian Students
63 Students
1,839 Students
% American Indian Students
10%
1%
# Asian Students
3 Students
35,008 Students
% Asian Students
1%
13%
# Hispanic Students
34 Students
43,231 Students
% Hispanic Students
5%
16%

Hispanic Student Percentage Trends

YearCastro Valley, CA AvgCalifornia (CA)National
20255%16%9%
202434%16%9%
20237%16%8%
202134%16%8%
202034%16%8%
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# Black Students
27 Students
15,768 Students
% Black Students
4%
6%

Black Student Percentage Trends

YearCastro Valley, CA AvgCalifornia (CA)National
20254%6%8%
20237%6%8%
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# White Students
140 Students
115,559 Students
% White Students
21%
44%

White Student Percentage Trends

YearCastro Valley, CA AvgCalifornia (CA)National
202521%44%59%
202433%44%60%
202346%46%60%
202133%50%63%
202033%51%64%
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# Hawaiian Students
n/a
2,937 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
389 Students
48,569 Students
% of Others Students
59%
19%

Other Races Student Percentage Trends

YearCastro Valley, CA AvgCalifornia (CA)National
202559%19%17%
202433%18%15%
202330%17%16%
202133%15%15%
202033%14%14%
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All Ethnic Groups
Academics
# Teachers
90 Teachers
26,883 Teachers
Average Student-Teacher Ratio
7:1
10:1

Student-Teacher Ratio Trends (2020-2025)

YearCastro Valley, CA AvgCalifornia (CA)National
20257:110:110:1
202411:110:110:1
202323:110:110:1
202111:110:110:1
202011:111:110:1
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% Average Faculty w/Advanced Degree
24%
62%

Percentage of Faculty With Advanced Degrees Trends (2023-2025)

YearCastro Valley, CA AvgCalifornia (CA)National
202524%61%57%
202336%60%57%
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Average Class Size
22 students
15 students

Class Size Trends (2023-2025)

YearCastro Valley, CA AvgCalifornia (CA)National
2025221514
2023251414
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Average Number of AP Courses
9 courses
16 courses

Trends in Average Number of AP Courses Offered

YearCastro Valley, CA AvgCalifornia (CA)National
202591513
2023111412
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Tuition & Aid
Average Yearly Tuition Cost
$16,915
$23,599

Tuition Cost Trends (2023-2025)

YearCastro Valley, CA AvgCalifornia (CA)National
2025$16,125$23,319$17,997
2023$16,341$21,930$16,191
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Average Summer Program Cost
$400
$1,487
Average % on Financial Aid
42%
33%

Percent on Financial Aid Trends (2023-2025)

YearCastro Valley, CA AvgCalifornia (CA)National
202542%33%38%
202330%31%36%
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Admissions & Athletics
Average Acceptance Rate
90%
81%

Acceptance Rate Trends (2023-2025)

YearCastro Valley, CA AvgCalifornia (CA)National
202590%78%79%
202390%80%81%
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Average Number of Extracurriculars
9 extracurriculars
14 extracurriculars
Average Number of Sports
13 sports
10 sports

Frequently Asked Questions

What are the top ranked private high schools in Castro Valley, CA?
The top ranked private high schools in Castro Valley, CA is Redwood Christian Elementary School.
How many private high schools are located in Castro Valley?
2 private high schools are located in Castro Valley.
What percentage of private high schools are religiously affiliated in Castro Valley?
100% of private high schools in Castro Valley are religiously affiliated (most commonly Christian).

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