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

Woodside Priory School

Gr: 6-12 | 444 students

Avg. class size: 13 students

Sports: 13 | Extracurriculars: 24

Catholic

302 Portola Road

Portola Valley, CA 94028

(650) 851-8223

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Portola Valley, CA Private School Trends (9-Year)

Private Schools

444

Students

+21.6% (+79 students) 9-yr

$63,860

Avg. Tuition

+53.9% (+$22,360) 9-yr

Avg. Class Size

18%

Students of Color

-58.1% (-25.0 pp) 9-yr

6:1

Student-Teacher Ratio

-14.3% (-1.0) 9-yr

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Enrollment & Diversity

Category

This Town (Portola Valley)

This State (CA)

# Schools

1 School

1,121 Schools

# Students

444 Students

272,377 Students

View Data

Trends in the Average Number of Students Per Private High School
Year	Portola Valley, CA Avg	California (CA)	National
2025	444	254	253
2024	430	249	245
2023	405	261	247
2022	405	270	257
2021	405	265	249
2020	375	250	235
2019	375	246	242
2018	375	234	238
2017	365	242	246
2016	365	230	241

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% Students of Color

18%

50%

View Data

Percentage of Students of Color Trends (2016-2025)
Year	Portola Valley, CA Avg	California (CA)	National
2025	18%	49%	32%
2024	18%	48%	31%
2023	18%	47%	31%
2022	55%	43%	30%
2021	55%	43%	30%
2020	51%	42%	29%
2019	47%	44%	29%
2018	47%	42%	28%
2017	44%	48%	30%
2016	43%	48%	30%

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0.55

0.73

View Data

Diversity Score Trends
Year	Portola Valley, CA Avg	California (CA)	National
2025	0.55	0.73	0.61
2024	0.53	0.73	0.60
2023	0.50	0.72	0.60
2022	0.50	0.69	0.58
2021	0.50	0.69	0.57
2020	0.43	0.69	0.57
2019	0.43	0.69	0.56
2018	0.43	0.69	0.55
2017	0.41	0.68	0.54
2016	0.41	0.69	0.54

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Show more data/charts: racial breakdown

# American Indian Students

n/a

1,839 Students

% American Indian Students

n/a

# Asian Students

42 Students

35,014 Students

% Asian Students

10%

13%

View Data

Asian Student Percentage Trends
Year	Portola Valley, CA Avg	California (CA)	National
2025	10%	13%	5%
2024	10%	14%	6%
2023	11%	13%	6%
2022	11%	11%	5%
2021	11%	11%	5%
2020	11%	11%	5%
2019	11%	11%	5%
2018	11%	11%	5%
2017	12%	10%	4%
2016	12%	10%	4%

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# Hispanic Students

16 Students

43,254 Students

% Hispanic Students

17%

View Data

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

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# Black Students

2 Students

15,794 Students

% Black Students

n/a

View Data

Black Student Percentage Trends
Year	Portola Valley, CA Avg	California (CA)	National
2020	1%	6%	8%
2019	1%	6%	8%
2018	1%	6%	8%
2017	1%	6%	8%
2016	1%	6%	8%

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# White Students

277 Students

115,563 Students

% White Students

62%

44%

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White Student Percentage Trends
Year	Portola Valley, CA Avg	California (CA)	National
2025	62%	44%	59%
2024	64%	44%	60%
2023	68%	46%	60%
2022	68%	50%	62%
2021	68%	50%	63%
2020	74%	51%	64%
2019	74%	50%	64%
2018	74%	51%	65%
2017	76%	51%	66%
2016	76%	50%	66%

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# Hawaiian Students

n/a

2,937 Students

% Hawaiian Students

n/a

# Two or more races Students

n/a

% of Two or more races Students

n/a

# Others Students

107 Students

48,462 Students

% of Others Students

24%

18%

View Data

Other Races Student Percentage Trends
Year	Portola Valley, CA Avg	California (CA)	National
2025	24%	19%	17%
2024	22%	18%	15%
2023	17%	17%	16%
2022	17%	15%	16%
2021	17%	15%	15%
2020	10%	14%	14%
2019	10%	15%	14%
2018	10%	14%	13%
2017	7%	15%	14%
2016	7%	15%	13%

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All Ethnic Groups

Academics

# Teachers

74 Teachers

26,921 Teachers

Average Student-Teacher Ratio

6:1

10:1

View Data

Student-Teacher Ratio Trends (2016-2025)
Year	Portola Valley, CA Avg	California (CA)	National
2025	6:1	10:1	10:1
2024	6:1	10:1	10:1
2023	5:1	10:1	10:1
2022	5:1	10:1	10:1
2021	5:1	10:1	10:1
2020	5:1	11:1	10:1
2019	5:1	10:1	10:1
2018	5:1	11:1	10:1
2017	5:1	11:1	10:1
2016	7:1	11:1	10:1

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% Average Faculty w/Advanced Degree

80%

61%

View Data

Percentage of Faculty With Advanced Degrees Trends (2016-2025)
Year	Portola Valley, CA Avg	California (CA)	National
2025	80%	61%	57%
2024	80%	61%	57%
2023	80%	60%	57%
2022	80%	61%	56%
2021	80%	61%	56%
2020	80%	60%	56%
2019	80%	59%	55%
2018	80%	60%	55%
2017	80%	60%	55%
2016	78%	59%	54%

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Average Class Size

13 students

15 students

View Data

Class Size Trends (2016-2025)
Year	Portola Valley, CA Avg	California (CA)	National
2025	13	15	14
2024	13	14	14
2023	13	14	14
2022	13	14	14
2021	13	14	14
2020	13	14	14
2019	13	14	14
2018	13	14	14
2017	13	14	14
2016	13	15	14

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Average Number of AP Courses

22 courses

16 courses

View Data

Trends in Average Number of AP Courses Offered
Year	Portola Valley, CA Avg	California (CA)	National
2025	22	15	13
2024	22	14	12
2023	22	14	12
2022	19	14	12
2021	19	14	12
2020	19	13	12
2019	19	13	11
2018	19	13	11
2017	22	12	11
2016	21	12	11

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Average SAT score

1380

(Out of 1600)

1266

View Data

SAT Score Trends (2017-2025)
Year	Portola Valley, CA Avg	California (CA)	National
2025	1380	1263	1233
2024	1380	1250	1231
2023	1380	1247	1229
2022	1380	1248	1230
2021	1380	1247	1230
2020	1380	1244	1227
2019	1380	1239	1226
2018	1380	1236	1226
2017	1370	1249	1233

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Average ACT score

(Out of 36)

View Data

ACT Score Trends (2016-2025)
Year	Portola Valley, CA Avg	California (CA)	National
2025	30	27	26
2024	30	27	26
2023	30	27	26
2022	30	27	26
2021	30	27	26
2020	30	27	26
2019	29	26	25
2018	29	26	25
2017	30	26	25
2016	30	26	25

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Tuition & Aid

Average Yearly Tuition Cost

$63,860

$23,588

View Data

Tuition Cost Trends (2016-2025)
Year	Portola Valley, CA Avg	California (CA)	National
2025	$63,860	$23,319	$17,997
2024	$61,400	$23,084	$17,011
2023	$52,680	$21,930	$16,191
2022	$52,680	$21,484	$15,821
2021	$52,680	$20,840	$15,331
2020	$50,650	$19,942	$15,046
2019	$45,500	$19,419	$14,791
2018	$45,500	$18,892	$14,527
2017	$43,575	$18,534	$14,161
2016	$41,500	$17,628	$13,713

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Average % on Financial Aid

20%

33%

View Data

Percent on Financial Aid Trends (2016-2025)
Year	Portola Valley, CA Avg	California (CA)	National
2025	20%	33%	38%
2024	20%	33%	37%
2023	20%	31%	36%
2022	20%	32%	36%
2021	20%	32%	36%
2020	20%	31%	35%
2019	20%	30%	34%
2018	20%	31%	33%
2017	20%	30%	32%
2016	18%	29%	31%

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Average Financial Aid Grant

$40,945

$13,145

View Data

Financial Aid Grant Trends (2016-2025)
Year	Portola Valley, CA Avg	California (CA)	National
2025	$40,945	$12,687	$9,714
2024	$40,945	$11,976	$9,498
2023	$40,945	$11,354	$8,890
2022	$40,945	$11,471	$8,717
2021	$40,945	$11,314	$8,472
2020	$40,945	$10,847	$8,370
2019	$40,945	$10,439	$7,924
2018	$40,945	$9,870	$7,471
2017	$34,900	$9,227	$7,202
2016	$34,900	$7,863	$6,993

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Average Endowment Size

$10 million

$22.78 million

View Data

Endowment Trends (2018-2025)
Year	Portola Valley, CA Avg	California (CA)	National
2025	$10 M	$30 M	$43 M
2024	$10 M	$24 M	$52 M
2023	$10 M	$24 M	$51 M
2022	$10 M	$25 M	$52 M
2021	$10 M	$24 M	$52 M
2020	$10 M	$23 M	$51 M
2019	$10 M	$23 M	$53 M
2018	$10 M	$16 M	$55 M

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Admissions & Athletics

Average Acceptance Rate

25%

81%

View Data

Acceptance Rate Trends (2016-2025)
Year	Portola Valley, CA Avg	California (CA)	National
2025	25%	78%	79%
2024	25%	80%	81%
2023	30%	80%	81%
2022	30%	80%	81%
2021	30%	81%	81%
2020	30%	81%	81%
2019	30%	80%	81%
2018	30%	80%	80%
2017	23%	79%	81%
2016	30%	79%	80%

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Average Number of Extracurriculars

24 extracurriculars

14 extracurriculars

Average Number of Sports

13 sports

10 sports

Frequently Asked Questions

What are the top ranked private high schools in Portola Valley, CA?

The private high schools in Portola Valley, CA is Woodside Priory School.

How many private high schools are located in Portola Valley?

1 private high schools are located in Portola Valley.

What percentage of private high schools are religiously affiliated in Portola Valley?

100% of private high schools in Portola Valley are religiously affiliated (most commonly Catholic).

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Quick Facts (26-27)

Quick Facts (26-27)

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

Portola Valley, CA Private School Trends (9-Year)

Trends in the Average Number of Students Per Private High School

Percentage of Students of Color Trends (2016-2025)

Diversity Score Trends

Asian Student Percentage Trends

Hispanic Student Percentage Trends

Black Student Percentage Trends

White Student Percentage Trends

Other Races Student Percentage Trends

Student-Teacher Ratio Trends (2016-2025)

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

Class Size Trends (2016-2025)

Trends in Average Number of AP Courses Offered

SAT Score Trends (2017-2025)

ACT Score Trends (2016-2025)

Tuition Cost Trends (2016-2025)

Percent on Financial Aid Trends (2016-2025)

Financial Aid Grant Trends (2016-2025)

Endowment Trends (2018-2025)

Acceptance Rate Trends (2016-2025)

Frequently Asked Questions

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