Top Ranked San Mateo Private High Schools (2026-27)

Fusion Academy San Mateo

Gr: 6-12

Avg. class size: 1 student

Alternative School

2000 Alameda de las Pulgas, Suite 128

San Mateo, CA 94403

(877) 673-8893

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Fusion Academy San Mateo - Foster City

Gr: 6-12

Avg. class size: 1 student

Alternative School

1840 Gateway Dr., Ste. 100

San Mateo, CA 94404

(877) 673-8893

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Junipero Serra High School

Gr: 9-12 | 892 students

Avg. class size: 24 students

Sports: 16 | Extracurriculars: 58

All-boys (Catholic)

451 W 20th Ave

San Mateo, CA 94403

(650) 345-8207

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The Nueva School

Gr: PK-12 | 967 students

Specialized Curriculum

131 E 28th Ave

San Mateo, CA 94403

(650) 235-7172

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Wherry Academy

Gr: K-12

Avg. class size: 3 students

Sports: 3 | Extracurriculars: 1

608 N. El Camino Real and 452 5th Avenue, Redwood City

San Mateo, CA 94401

(650) 367-6791

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Fusion Academy - San Mateo

Gr: 6-12 | 63 students

Alternative School

2000 Alameda De Las Pulgas Ste 128

San Mateo, CA 94403

(650) 312-8305

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Futures Academy - San Mateo

Gr: 6-12 | 51 students

1840 Gtwy Dr Ste 100

San Mateo, CA 94404

(949) 612-9242

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Stanbridge Academy

Gr: K-12 | 83 students

Avg. class size: 8 students

Sports: 5 | Extracurriculars: 18

Special Education School

515 E. Poplar Ave.

San Mateo, CA 94401

(650) 375-5860

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[+] Show Closed Private Schools in San Mateo, California

San Mateo, California Private Schools (Closed)

Newton

Gr: K-8 | 243 students

Specialized Curriculum

1157 Chess Drive Ste 100

San Mateo, CA 94404

(650) 345-4043

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San Mateo, CA Private School Trends (10-Year)

Private Schools

+60.0% (+3 schools) 10-yr

2,056

Students

+62.1% (+788 students) 10-yr

$27,225

Avg. Tuition

+8.0% (+$2,015) 10-yr

Avg. Class Size

-50.0% (-7 students) 10-yr

42%

Students of Color

-14.3% (-7.0 pp) 10-yr

8:1

Student-Teacher Ratio

-20.0% (-2.0) 10-yr

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Enrollment & Diversity

Category

This Town (San Mateo)

This State (CA)

# Schools

8 Schools

1,120 Schools

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Trends in Total Number of Private High Schools
Year	San Mateo, CA Total Schools
2025	8
2024	8
2023	7
2022	5
2021	6
2020	6
2019	6
2018	6
2017	5
2016	5
2015	5

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# Students

2,056 Students

272,380 Students

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Trends in the Average Number of Students Per Private High School
Year	San Mateo, CA Avg	California (CA)	National
2025	411	254	253
2024	414	249	245
2023	452	261	247
2022	593	270	257
2021	450	265	249
2020	450	250	235
2019	388	246	242
2018	267	234	238
2017	348	242	246
2016	353	230	241
2015	254	205	220

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% Students of Color

42%

50%

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Percentage of Students of Color Trends (2015-2025)
Year	San Mateo, CA Avg	California (CA)	National
2025	42%	49%	32%
2024	42%	48%	31%
2023	34%	47%	31%
2022	38%	43%	30%
2021	38%	43%	30%
2020	38%	42%	29%
2019	39%	44%	29%
2018	31%	42%	28%
2017	48%	48%	30%
2016	44%	48%	30%
2015	49%	48%	30%

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0.69

0.73

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Diversity Score Trends
Year	San Mateo, CA Avg	California (CA)	National
2025	0.69	0.73	0.61
2024	0.69	0.73	0.60
2023	0.66	0.72	0.60
2022	0.68	0.69	0.58
2021	0.68	0.69	0.57
2020	0.68	0.69	0.57
2019	0.62	0.69	0.56
2018	0.57	0.69	0.55
2017	0.57	0.68	0.54
2016	0.57	0.69	0.54
2015	0.58	0.69	0.53

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Show more data/charts: racial breakdown

# American Indian Students

4 Students

1,839 Students

% American Indian Students

n/a

# Asian Students

446 Students

35,008 Students

% Asian Students

22%

13%

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Asian Student Percentage Trends
Year	San Mateo, CA Avg	California (CA)	National
2025	23%	13%	5%
2024	23%	14%	6%
2023	20%	13%	6%
2022	21%	11%	5%
2021	21%	11%	5%
2020	21%	11%	5%
2019	15%	11%	5%
2018	17%	11%	5%
2017	17%	10%	4%
2016	17%	10%	4%
2015	17%	10%	4%

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# Hispanic Students

73 Students

43,231 Students

% Hispanic Students

16%

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Hispanic Student Percentage Trends
Year	San Mateo, CA Avg	California (CA)	National
2025	4%	16%	9%
2024	4%	16%	9%
2023	4%	16%	8%
2022	8%	16%	8%
2021	8%	16%	8%
2020	8%	16%	8%
2019	9%	16%	8%
2018	15%	16%	8%
2017	15%	17%	7%
2016	15%	18%	8%
2015	15%	18%	8%

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# Black Students

27 Students

15,768 Students

% Black Students

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Black Student Percentage Trends
Year	San Mateo, CA Avg	California (CA)	National
2025	1%	6%	8%
2024	1%	6%	8%
2023	1%	6%	8%
2022	1%	6%	8%
2021	1%	6%	8%
2020	1%	6%	8%
2019	1%	6%	8%
2018	1%	6%	8%
2017	2%	6%	8%
2016	2%	6%	8%
2015	1%	7%	9%

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# White Students

846 Students

115,559 Students

% White Students

42%

44%

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White Student Percentage Trends
Year	San Mateo, CA Avg	California (CA)	National
2025	42%	44%	59%
2024	42%	44%	60%
2023	51%	46%	60%
2022	49%	50%	62%
2021	49%	50%	63%
2020	49%	51%	64%
2019	57%	50%	64%
2018	62%	51%	65%
2017	61%	51%	66%
2016	61%	50%	66%
2015	61%	50%	66%

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# Hawaiian Students

32 Students

2,937 Students

% Hawaiian Students

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Native Hawaiian or Pacific Islander Student Percentage Trends
Year	San Mateo, CA Avg	California (CA)	National
2025	2%	1%	1%
2024	2%	1%	1%
2023	1%	1%	1%

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# Two or more races Students

n/a

% of Two or more races Students

n/a

# Others Students

568 Students

48,569 Students

% of Others Students

29%

19%

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Other Races Student Percentage Trends
Year	San Mateo, CA Avg	California (CA)	National
2025	28%	19%	17%
2024	28%	18%	15%
2023	23%	17%	16%
2022	20%	15%	16%
2021	20%	15%	15%
2020	20%	14%	14%
2019	18%	15%	14%
2018	5%	14%	13%
2017	5%	15%	14%
2016	5%	15%	13%
2015	6%	13%	12%

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All Ethnic Groups

Academics

# Teachers

288 Teachers

26,939 Teachers

Average Student-Teacher Ratio

8:1

10:1

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Student-Teacher Ratio Trends (2015-2025)
Year	San Mateo, CA Avg	California (CA)	National
2025	8:1	10:1	10:1
2024	8:1	10:1	10:1
2023	7:1	10:1	10:1
2022	7:1	10:1	10:1
2021	7:1	10:1	10:1
2020	7:1	11:1	10:1
2019	8:1	10:1	10:1
2018	10:1	11:1	10:1
2017	10:1	11:1	10:1
2016	10:1	11:1	10:1
2015	10:1	11:1	10:1

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% Average Faculty w/Advanced Degree

88%

62%

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Percentage of Faculty With Advanced Degrees Trends (2015-2025)
Year	San Mateo, CA Avg	California (CA)	National
2025	88%	61%	57%
2024	88%	61%	57%
2023	88%	60%	57%
2022	76%	61%	56%
2021	76%	61%	56%
2020	76%	60%	56%
2019	76%	59%	55%
2018	46%	60%	55%
2017	46%	60%	55%
2016	43%	59%	54%
2015	15%	59%	54%

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Average Class Size

7 students

15 students

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Class Size Trends (2015-2025)
Year	San Mateo, CA Avg	California (CA)	National
2025	7	15	14
2024	7	14	14
2023	7	14	14
2022	9	14	14
2021	8	14	14
2020	8	14	14
2019	9	14	14
2018	9	14	14
2017	9	14	14
2016	11	15	14
2015	14	15	14

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Average Number of AP Courses

12 courses

16 courses

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Trends in Average Number of AP Courses Offered
Year	San Mateo, CA Avg	California (CA)	National
2025	12	15	13
2024	12	14	12
2023	12	14	12
2022	17	14	12
2021	17	14	12
2020	17	13	12
2019	18	13	11
2018	13	13	11
2017	13	12	11
2016	13	12	11
2015	9	11	10

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Average SAT score

700

(Out of 1600)

1266

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SAT Score Trends (2019-2025)
Year	San Mateo, CA Avg	California (CA)	National
2025	700	1263	1233
2024	700	1250	1231
2023	700	1247	1229
2019	1414	1239	1226

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Tuition & Aid

Average Yearly Tuition Cost

$27,225

$23,881

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Tuition Cost Trends (2015-2025)
Year	San Mateo, CA Avg	California (CA)	National
2025	$26,458	$23,319	$17,997
2024	$25,558	$23,084	$17,011
2023	$24,858	$21,930	$16,191
2022	$36,265	$21,484	$15,821
2021	$36,256	$20,840	$15,331
2020	$33,756	$19,942	$15,046
2019	$35,851	$19,419	$14,791
2018	$28,665	$18,892	$14,527
2017	$27,192	$18,534	$14,161
2016	$27,377	$17,628	$13,713
2015	$25,210	$15,924	$13,065

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Average % on Financial Aid

31%

33%

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Percent on Financial Aid Trends (2015-2025)
Year	San Mateo, CA Avg	California (CA)	National
2025	31%	33%	38%
2024	31%	33%	37%
2023	31%	31%	36%
2022	27%	32%	36%
2021	27%	32%	36%
2020	27%	31%	35%
2019	25%	30%	34%
2018	27%	31%	33%
2017	27%	30%	32%
2016	27%	29%	31%
2015	27%	28%	30%

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Average Financial Aid Grant

$7,967

$12,825

View Data

Financial Aid Grant Trends (2015-2025)
Year	San Mateo, CA Avg	California (CA)	National
2025	$7,967	$12,687	$9,714
2024	$7,967	$11,976	$9,498
2023	$7,533	$11,354	$8,890
2022	$10,850	$11,471	$8,717
2021	$10,850	$11,314	$8,472
2020	$10,850	$10,847	$8,370
2019	$17,800	$10,439	$7,924
2018	$8,000	$9,870	$7,471
2017	$8,000	$9,227	$7,202
2016	$8,000	$7,863	$6,993
2015	$7,500	$7,468	$6,822

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Admissions & Athletics

Average Acceptance Rate

95%

78%

View Data

Acceptance Rate Trends (2015-2025)
Year	San Mateo, CA Avg	California (CA)	National
2025	95%	78%	79%
2024	90%	80%	81%
2023	90%	80%	81%
2018	95%	80%	80%
2017	95%	79%	81%
2016	95%	79%	80%
2015	95%	79%	81%

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Average Number of Extracurriculars

26 extracurriculars

14 extracurriculars

Average Number of Sports

8 sports

10 sports

Frequently Asked Questions

What are the top ranked private high schools in San Mateo, CA?

The private high schools in San Mateo, CA include Junipero Serra High School, The Nueva School, and Wherry Academy.

How many private high schools are located in San Mateo?

8 private high schools are located in San Mateo.

How diverse are private high schools in San Mateo?

San Mateo private high schools are approximately 42% minority students, which is lower than the California private school average of 50%.

What percentage of private high schools are religiously affiliated in San Mateo?

13% of private high schools in San Mateo are religiously affiliated (most commonly Catholic).

Which private high schools in San Mateo are often viewed compared to one another?

Popular comparisons of private high schools in San Mateo include: Fusion Academy San Mateo vs. Fusion Academy San Mateo - Foster City, Fusion Academy San Mateo - Foster City vs. Fusion Academy San Mateo

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Quick Facts (2026-27)

Quick Facts (2026-27)

Top Ranked San Mateo Private High Schools (2026-27)

San Mateo, California Private Schools (Closed)

San Mateo, CA Private School Trends (10-Year)

Trends in Total Number of Private High Schools

Trends in the Average Number of Students Per Private High School

Percentage of Students of Color Trends (2015-2025)

Diversity Score Trends

Asian Student Percentage Trends

Hispanic Student Percentage Trends

Black Student Percentage Trends

White Student Percentage Trends

Native Hawaiian or Pacific Islander Student Percentage Trends

Other Races Student Percentage Trends

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 (2019-2025)

Tuition Cost Trends (2015-2025)

Percent on Financial Aid Trends (2015-2025)

Financial Aid Grant Trends (2015-2025)

Acceptance Rate Trends (2015-2025)

Frequently Asked Questions

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