Best Private Schools in Alameda County (2026-27)

[+] Show Closed Private Schools in Alameda County, California

Overview

Trends in Total Number of Private Schools

Year	Alameda County Total Schools
2025	222
2024	233
2023	214
2022	207
2021	210
2020	211
2019	194
2018	200
2017	196
2016	202
2015	199

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Private schools down 11 in Alameda County, from 233 in 2024 to 222 in 2025.

# Students

34,704 Students

659,615 Students

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Showing 2016–2025. View full 11-year historical data

Trends in the Average Number of Students Per Private School

Year	Alameda County Average	California (CA) Average	National Average
2025	167	180	179
2024	163	175	172
2023	170	181	174
2022	165	189	185
2021	162	185	180
2020	160	179	171
2019	168	179	175
2018	164	173	172
2017	169	179	180
2016	167	173	178
2015	159	162	167

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% Average Students of Color

64%

52%

View Data

Showing 2016–2025. View full 11-year historical data

Percentage of Students of Color Trends (2015-2025)

Year	Alameda County Average	California (CA) Average	National Average
2025	62%	51%	34%
2024	60%	51%	34%
2023	60%	50%	33%
2022	56%	48%	33%
2021	57%	48%	32%
2020	55%	48%	32%
2019	58%	48%	31%
2018	54%	47%	31%
2017	66%	50%	32%
2016	65%	49%	32%
2015	65%	49%	32%

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Students of color up 7 points in Alameda County private schools, from 55% in 2020 to 62% in 2025, while California rose from 48% to 51%.

Academics and Faculty:

# Teachers

3,295 Teachers

55,836 Teachers

Average Student-Teacher Ratio

10:1

12:1

View Data

Showing 2016–2025. View full 11-year historical data

Student-Teacher Ratio Trends (2015-2025)

Year	Alameda County Average	California (CA) Average	National Average
2025	11:1	12:1	11:1
2024	11:1	12:1	11:1
2023	11:1	12:1	11:1
2022	11:1	12:1	11:1
2021	11:1	13:1	11:1
2020	11:1	13:1	12:1
2019	11:1	12:1	12:1
2018	11:1	12:1	12:1
2017	11:1	13:1	12:1
2016	11:1	13:1	12:1
2015	11:1	13:1	12:1

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% Average Faculty w/Advanced Degree

59%

60%

View Data

Showing 2016–2025. View full 11-year historical data

Percentage of Faculty With Advanced Degrees Trends (2015-2025)

Year	Alameda County Average	California (CA) Average	National Average
2025	57%	59%	55%
2024	57%	58%	54%
2023	57%	58%	54%
2022	57%	59%	54%
2021	56%	59%	54%
2020	57%	58%	54%
2019	58%	58%	53%
2018	57%	58%	53%
2017	58%	58%	53%
2016	57%	57%	52%
2015	58%	57%	52%

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Average Class Size

18 students

17 students

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Showing 2016–2025. View full 11-year historical data

Class Size Trends (2015-2025)

Year	Alameda County Average	California (CA) Average	National Average
2025	18	17	15
2024	18	17	15
2023	18	17	15
2022	18	17	15
2021	18	17	15
2020	18	17	15
2019	19	17	15
2018	19	17	15
2017	19	17	15
2016	20	17	15
2015	18	17	15

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Average Number of AP Courses

16 courses

15 courses

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Showing 2016–2025. View full 11-year historical data

Trends in Average Number of AP Courses Offered

Year	Alameda County Average	California (CA) Average	National Average
2025	16	14	12
2024	15	14	12
2023	15	13	11
2022	15	13	11
2021	14	13	11
2020	15	13	11
2019	15	13	11
2018	14	13	11
2017	11	12	10
2016	11	12	10
2015	10	11	10

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Average SAT score

1352

(Out of 1600)

1267

View Data

SAT Score Trends (2017-2025)

Year	Alameda County Average	California (CA) Average	National Average
2025	1322	1261	1233
2024	1315	1248	1230
2023	1322	1246	1228
2022	1323	1250	1229
2021	1321	1249	1229
2020	1312	1244	1226
2019	1314	1239	1226
2018	1267	1237	1226
2017	1379	1252	1233

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SAT score down 57 points in Alameda County private schools, from 1379 in 2017 to 1322 in 2025.

Average ACT score

(Out of 36)

View Data

ACT Score Trends (2017-2025)

Year	Alameda County Average	California (CA) Average	National Average
2025	28	27	26
2024	28	27	26
2023	29	27	26
2022	29	27	26
2021	29	27	26
2020	29	26	25
2019	28	26	25
2018	28	26	25
2017	29	26	25

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ACT score down 1 point in Alameda County private schools, from 29 in 2017 to 28 in 2025.

Tuition and Acceptance Rate:

Average Yearly Tuition Cost

$20,287

$17,625

View Data

Showing 2016–2025. View full 11-year historical data

Tuition Cost Trends (2015-2025)

Year	Alameda County Average	California (CA) Average	National Average
2025	$20,222	$17,790	$13,694
2024	$19,804	$17,351	$13,340
2023	$19,297	$16,650	$12,825
2022	$18,348	$15,800	$12,321
2021	$17,580	$15,412	$12,072
2020	$16,938	$14,800	$11,784
2019	$16,642	$14,428	$11,547
2018	$16,207	$14,111	$11,280
2017	$15,800	$13,685	$10,994
2016	$15,201	$13,253	$10,614
2015	$14,237	$12,623	$10,195

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Tuition up 33% in Alameda County, rising from $15,201 in 2016 to $20,222 in 2025.

Average Summer Program Cost

$780

$1,072

View Data

Summer Program Cost Trends (2019-2025)

Year	Alameda County Average	California (CA) Average	National Average
2025	$811	$1,044	$1,152
2024	$841	$999	$1,128
2023	$606	$1,039	$1,156
2022	$783	$934	$1,102
2021	$779	$815	$1,125
2020	$576	$882	$1,217
2019	$576	$928	$1,305

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County summer cost up 235 dollars in Alameda County, rising from $576 in 2019 to $811 in 2025.

Average % on Financial Aid

35%

29%

View Data

Showing 2016–2025. View full 11-year historical data

Percent on Financial Aid Trends (2015-2025)

Year	Alameda County Average	California (CA) Average	National Average
2025	34%	29%	34%
2024	33%	29%	34%
2023	33%	29%	34%
2022	31%	28%	33%
2021	30%	28%	33%
2020	30%	28%	32%
2019	31%	27%	31%
2018	31%	27%	30%
2017	33%	27%	30%
2016	34%	26%	29%
2015	31%	25%	28%

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Average Financial Aid Grant

$12,714

$9,632

View Data

Showing 2016–2025. View full 11-year historical data

Financial Aid Grant Trends (2015-2025)

Year	Alameda County Average	California (CA) Average	National Average
2025	$12,214	$8,932	$7,073
2024	$11,990	$8,712	$6,930
2023	$11,972	$8,186	$6,469
2022	$11,401	$8,205	$6,289
2021	$10,831	$7,081	$6,055
2020	$11,311	$6,794	$5,921
2019	$11,643	$6,413	$5,795
2018	$11,016	$5,977	$5,456
2017	$10,796	$5,752	$5,319
2016	$5,706	$5,279	$5,105
2015	$5,780	$5,100	$5,030

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Average Acceptance Rate

84%

83%

View Data

Showing 2016–2025. View full 11-year historical data

Acceptance Rate Trends (2015-2025)

Year	Alameda County Average	California (CA) Average	National Average
2025	82%	84%	85%
2024	85%	84%	85%
2023	85%	84%	85%
2022	85%	84%	85%
2021	85%	84%	85%
2020	85%	84%	85%
2019	85%	84%	85%
2018	84%	84%	85%
2017	86%	85%	85%
2016	85%	84%	85%
2015	83%	84%	85%

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Average Endowment Size

$10 million

$18.27 million

Students by Ethnicity:

0.77

0.74

View Data

Showing 2016–2025. View full 11-year historical data

Diversity Score Trends

Year	Alameda County Average	California (CA) Average	National Average
2025	0.77	0.74	0.65
2024	0.77	0.74	0.65
2023	0.76	0.74	0.65
2022	0.76	0.73	0.64
2021	0.76	0.73	0.64
2020	0.76	0.73	0.64
2019	0.76	0.73	0.63
2018	0.76	0.73	0.63
2017	0.77	0.72	0.61
2016	0.77	0.72	0.61
2015	0.78	0.72	0.61

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Diversity score steady at 0.77 in Alameda County private schools, with the county at 0.77 in 2016 and 2025 while California rose to 0.74 and the U.S. to 0.65.

# American Indian Students

251 Students

3,574 Students

% American Indian Students

View Data

Showing 2016–2025. View full 11-year historical data

Percentage of Private School Students of American Indian Trends

Year	Alameda County Average	California (CA) Average	National Average
2025	1%	1%	1%
2024	1%	1%	1%
2023	1%	1%	1%
2022	1%	1%	2%
2021	1%	1%	1%
2020	1%	1%	1%
2019	1%	2%	1%
2018	1%	1%	2%
2017	1%	1%	1%
2016	2%	1%	1%
2015	3%	2%	1%

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American Indian share down 1 point in Alameda County private schools, from 2% in 2016 to 1% in 2025.

# Asian Students

6,412 Students

71,777 Students

% Asian Students

20%

11%

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Showing 2016–2025. View full 11-year historical data

Asian Student Percentage Trends

Year	Alameda County Average	California (CA) Average	National Average
2025	20%	11%	5%
2024	20%	11%	5%
2023	17%	11%	5%
2022	17%	10%	4%
2021	17%	10%	4%
2020	17%	10%	4%
2019	15%	10%	4%
2018	15%	10%	4%
2017	14%	10%	4%
2016	15%	10%	4%
2015	17%	10%	4%

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Asian enrollment up 5 points in Alameda County private schools, rising from 15% in 2016 to 20% in 2025.

# Hispanic Students

3,653 Students

104,405 Students

% Hispanic Students

11%

16%

View Data

Showing 2016–2025. View full 11-year historical data

Hispanic Student Percentage Trends

Year	Alameda County Average	California (CA) Average	National Average
2025	11%	16%	9%
2024	11%	16%	9%
2023	11%	16%	9%
2022	10%	16%	8%
2021	10%	16%	9%
2020	10%	16%	9%
2019	11%	16%	8%
2018	11%	17%	8%
2017	11%	17%	8%
2016	11%	17%	8%
2015	11%	17%	8%

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# Black Students

2,791 Students

30,221 Students

% Black Students

View Data

Showing 2016–2025. View full 11-year historical data

Black Student Percentage Trends

Year	Alameda County Average	California (CA) Average	National Average
2025	9%	5%	7%
2024	9%	5%	7%
2023	9%	5%	8%
2022	9%	4%	7%
2021	9%	5%	7%
2020	9%	5%	8%
2019	9%	4%	7%
2018	9%	4%	7%
2017	11%	5%	7%
2016	11%	5%	7%
2015	12%	5%	8%

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Black students down 2 points in Alameda County private schools, from 11% in 2016 to 9% in 2025, while California stayed at 5%.

# White Students

9,060 Students

235,730 Students

% White Students

28%

37%

View Data

Showing 2016–2025. View full 11-year historical data

White Student Percentage Trends

Year	Alameda County Average	California (CA) Average	National Average
2025	28%	37%	52%
2024	28%	37%	52%
2023	31%	38%	52%
2022	33%	40%	54%
2021	33%	40%	54%
2020	33%	40%	54%
2019	33%	41%	56%
2018	33%	41%	56%
2017	33%	43%	58%
2016	32%	43%	58%
2015	33%	43%	58%

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White share down 5 points in Alameda County private schools, from 33% in 2019 to 28% in 2025.

# Hawaiian Students

149 Students

5,499 Students

% Hawaiian Students

<1%

# Others Students

10,599 Students

188,740 Students

% of Others Students

32%

29%

View Data

Showing 2016–2025. View full 11-year historical data

Other Races Student Percentage Trends

Year	Alameda County Average	California (CA) Average	National Average
2025	31%	29%	26%
2024	31%	29%	26%
2023	31%	28%	25%
2022	29%	28%	25%
2021	29%	27%	25%
2020	29%	27%	24%
2019	30%	26%	24%
2018	30%	26%	23%
2017	30%	24%	22%
2016	29%	24%	22%
2015	24%	23%	21%

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Other races share up 2 points in Alameda County private schools, rising from 29% in 2016 to 31% in 2025.

All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars

11 extracurriculars

9 extracurriculars

Average Number of Sports

6 sports

7 sports

Frequently Asked Questions

What are the top ranked private schools in Alameda County, CA?

The private schools in Alameda County, CA include Bishop Odowd High School, Alsion Middle/High School, and The College Preparatory School.

How many private schools are located in Alameda County?

213 private schools are located in Alameda County.

How much do private schools cost in Alameda County?

The average tuition cost is $20,287, which is higher than the California private school average tuition cost of $17,625.

How diverse are private schools in Alameda County?

Alameda County private schools are approximately 64% minority students, which is higher than the California private school average of 52%.

What percentage of students in Alameda County go to private school?

13% of all K-12 students in Alameda County are educated in private schools (compared to the CA state average of 10%).

What percentage of private schools are religiously affiliated in Alameda County?

34% of private schools in Alameda County are religiously affiliated (most commonly Catholic and Christian).

Which private schools in Alameda County are often viewed compared to one another?

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Quick Links

SCHOOL SEARCH TOOLS:

SCHOOL BY TYPE (CA):

Quick Facts (26-27)

Quick Facts (26-27)

Top Ranked Alameda County Private Schools (2026-27)

Alameda County Private Schools (Closed)

Overview

Trends in Total Number of Private Schools

Trends in the Average Number of Students Per Private School

Percentage of Students of Color Trends (2015-2025)

Academics and Faculty:

Student-Teacher Ratio Trends (2015-2025)

Percentage of Faculty With Advanced Degrees Trends (2015-2025)

Class Size Trends (2015-2025)

Trends in Average Number of AP Courses Offered

SAT Score Trends (2017-2025)

ACT Score Trends (2017-2025)

Tuition and Acceptance Rate:

Tuition Cost Trends (2015-2025)

Summer Program Cost Trends (2019-2025)

Percent on Financial Aid Trends (2015-2025)

Financial Aid Grant Trends (2015-2025)

Acceptance Rate Trends (2015-2025)

Students by Ethnicity:

Diversity Score Trends

Percentage of Private School Students of American Indian Trends

Asian Student Percentage Trends

Hispanic Student Percentage Trends

Black Student Percentage Trends

White Student Percentage Trends

Other Races Student Percentage Trends

Extracurriculars and Sports:

Frequently Asked Questions

Recent Articles

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Quick Links