Palo Alto, CA 草榴社区 School Trends (10-Year)

草榴社区 Schools

+76.2% (+16 schools) 10-yr

12,786

Students

+232.3% (+8,938 students) 10-yr

$39,255

Avg. Tuition

+48.8% (+$12,871) 10-yr

Avg. Class Size

-6.7% (-1 student) 10-yr

56%

Students of Color

+9.8% (+5.0 pp) 10-yr

16:1

Student-Teacher Ratio

+77.8% (+7.0) 10-yr

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Enrollment & Diversity

Category

This Town (Palo Alto)

This State (CA)

# Schools

37 Schools

3,910 Schools

View Data

Trends in Total Number of 草榴社区 Schools
Year	Palo Alto, CA Total Schools
2025	37
2024	35
2023	33
2022	31
2021	31
2020	31
2019	31
2018	31
2017	24
2016	26
2015	21

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# Students

12,786 Students

659,293 Students

View Data

Trends in the Average Number of Students Per 草榴社区 School
Year	Palo Alto, CA Avg	California (CA)	National
2025	382	180	179
2024	155	175	172
2023	173	181	174
2022	179	189	185
2021	178	185	180
2020	175	179	171
2019	179	179	175
2018	172	173	172
2017	184	179	180
2016	168	173	178
2015	183	162	167

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% Students of Color

56%

52%

View Data

Percentage of Students of Color Trends (2015-2025)
Year	Palo Alto, CA Avg	California (CA)	National
2025	55%	51%	34%
2024	56%	51%	34%
2023	59%	50%	33%
2022	52%	48%	33%
2021	54%	48%	32%
2020	58%	48%	32%
2019	56%	48%	31%
2018	57%	47%	31%
2017	54%	50%	32%
2016	51%	49%	32%
2015	51%	49%	32%

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0.44

0.74

View Data

Diversity Score Trends
Year	Palo Alto, CA Avg	California (CA)	National
2025	0.45	0.74	0.65
2024	0.76	0.74	0.65
2023	0.76	0.74	0.65
2022	0.74	0.73	0.64
2021	0.74	0.73	0.64
2020	0.74	0.73	0.64
2019	0.73	0.73	0.63
2018	0.73	0.73	0.63
2017	0.74	0.72	0.61
2016	0.71	0.72	0.61
2015	0.70	0.72	0.61

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Show more data/charts: racial breakdown

# American Indian Students

57 Students

3,575 Students

% American Indian Students

View Data

Percentage of 草榴社区 School Students of American Indian Trends
Year	Palo Alto, CA Avg	California (CA)	National
2024	1%	1%	1%
2023	1%	1%	1%
2022	2%	1%	2%
2021	2%	1%	1%
2020	2%	1%	1%
2019	2%	2%	1%
2018	2%	1%	2%
2017	3%	1%	1%
2016	2%	1%	1%
2015	2%	2%	1%

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# Asian Students

740 Students

71,780 Students

% Asian Students

11%

View Data

Asian Student Percentage Trends
Year	Palo Alto, CA Avg	California (CA)	National
2025	7%	11%	5%
2024	17%	11%	5%
2023	18%	11%	5%
2022	17%	10%	4%
2021	17%	10%	4%
2020	17%	10%	4%
2019	18%	10%	4%
2018	18%	10%	4%
2017	11%	10%	4%
2016	12%	10%	4%
2015	12%	10%	4%

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# Hispanic Students

600 Students

104,409 Students

% Hispanic Students

16%

View Data

Hispanic Student Percentage Trends
Year	Palo Alto, CA Avg	California (CA)	National
2025	5%	16%	9%
2024	14%	16%	9%
2023	15%	16%	9%
2022	11%	16%	8%
2021	11%	16%	9%
2020	11%	16%	9%
2019	11%	16%	8%
2018	11%	17%	8%
2017	17%	17%	8%
2016	12%	17%	8%
2015	12%	17%	8%

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# Black Students

155 Students

30,223 Students

% Black Students

View Data

Black Student Percentage Trends
Year	Palo Alto, CA Avg	California (CA)	National
2025	1%	5%	7%
2024	4%	5%	7%
2023	4%	5%	8%
2022	3%	4%	7%
2021	3%	5%	7%
2020	3%	5%	8%
2019	3%	4%	7%
2018	3%	4%	7%
2017	6%	5%	7%
2016	3%	5%	7%
2015	3%	5%	8%

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# White Students

1,620 Students

235,771 Students

% White Students

13%

37%

View Data

White Student Percentage Trends
Year	Palo Alto, CA Avg	California (CA)	National
2025	14%	37%	52%
2024	35%	37%	52%
2023	35%	38%	52%
2022	38%	40%	54%
2021	38%	40%	54%
2020	38%	40%	54%
2019	41%	41%	56%
2018	41%	41%	56%
2017	42%	43%	58%
2016	46%	43%	58%
2015	46%	43%	58%

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# Hawaiian Students

53 Students

5,499 Students

% Hawaiian Students

# Two or more races Students

n/a

% of Two or more races Students

n/a

# Others Students

8,837 Students

188,336 Students

% of Others Students

73%

29%

View Data

Other Races Student Percentage Trends
Year	Palo Alto, CA Avg	California (CA)	National
2025	73%	29%	26%
2024	28%	29%	26%
2023	26%	28%	25%
2022	28%	28%	25%
2021	28%	27%	25%
2020	28%	27%	24%
2019	25%	26%	24%
2018	25%	26%	23%
2017	21%	24%	22%
2016	25%	24%	22%
2015	25%	23%	21%

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All Ethnic Groups

Academics

# Teachers

817 Teachers

55,641 Teachers

Average Student-Teacher Ratio

16:1

12:1

View Data

Student-Teacher Ratio Trends (2015-2025)
Year	Palo Alto, CA Avg	California (CA)	National
2025	16:1	12:1	11:1
2024	7:1	12:1	11:1
2023	7:1	12:1	11:1
2022	7:1	12:1	11:1
2021	7:1	13:1	11:1
2020	8:1	13:1	12:1
2019	8:1	12:1	12:1
2018	8:1	12:1	12:1
2017	8:1	13:1	12:1
2016	8:1	13:1	12:1
2015	9:1	13:1	12:1

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% Average Faculty w/Advanced Degree

75%

59%

View Data

Percentage of Faculty With Advanced Degrees Trends (2015-2025)
Year	Palo Alto, CA Avg	California (CA)	National
2025	75%	59%	55%
2024	74%	58%	54%
2023	71%	58%	54%
2022	70%	59%	54%
2021	70%	59%	54%
2020	73%	58%	54%
2019	72%	58%	53%
2018	72%	58%	53%
2017	72%	58%	53%
2016	73%	57%	52%
2015	70%	57%	52%

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Average Class Size

14 students

17 students

View Data

Class Size Trends (2015-2025)
Year	Palo Alto, CA Avg	California (CA)	National
2025	14	17	15
2024	14	17	15
2023	15	17	15
2022	14	17	15
2021	14	17	15
2020	14	17	15
2019	14	17	15
2018	14	17	15
2017	14	17	15
2016	13	17	15
2015	15	17	15

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Average Number of AP Courses

14 courses

15 courses

View Data

Trends in Average Number of AP Courses Offered
Year	Palo Alto, CA Avg	California (CA)	National
2025	14	15	13
2024	14	14	12
2023	14	13	11
2022	16	13	11
2021	16	13	11
2020	16	13	11
2019	16	13	11
2018	15	13	11
2017	15	12	10
2016	14	12	10
2015	14	11	10

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Average SAT score

1411

(Out of 1600)

1264

View Data

SAT Score Trends (2017-2025)
Year	Palo Alto, CA Avg	California (CA)	National
2025	1411	1261	1233
2024	1411	1248	1230
2023	1386	1246	1228
2022	1386	1250	1229
2021	1430	1249	1229
2020	1430	1244	1226
2019	1430	1239	1226
2018	1430	1237	1226
2017	1490	1252	1233

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Average ACT score

(Out of 36)

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ACT Score Trends (2015-2025)
Year	Palo Alto, CA Avg	California (CA)	National
2025	33	27	26
2024	33	27	26
2023	32	27	26
2022	32	27	26
2021	32	27	26
2020	32	26	25
2019	32	26	25
2018	32	26	25
2017	32	26	25
2016	32	26	25
2015	31	25	25

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Tuition & Aid

Average Yearly Tuition Cost

$39,255

$18,350

View Data

Tuition Cost Trends (2015-2025)
Year	Palo Alto, CA Avg	California (CA)	National
2025	$37,285	$18,076	$15,012
2024	$35,171	$17,195	$13,254
2023	$33,940	$16,660	$12,626
2022	$31,202	$15,979	$12,187
2021	$30,408	$15,298	$11,800
2020	$29,321	$14,748	$11,512
2019	$29,085	$14,369	$11,293
2018	$28,667	$13,813	$11,017
2017	$27,992	$13,422	$10,708
2016	$28,702	$12,852	$10,356
2015	$26,384	$11,932	$9,939

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Average Summer Program Cost

$675

$1,062

View Data

Summer Program Cost Trends (2019-2025)
Year	Palo Alto, CA Avg	California (CA)	National
2025	$675	$1,044	$1,152
2024	$675	$999	$1,128
2023	$600	$1,039	$1,156
2022	$600	$934	$1,102
2021	$600	$815	$1,125
2020	$600	$882	$1,217
2019	$700	$928	$1,305

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Average % on Financial Aid

32%

29%

View Data

Percent on Financial Aid Trends (2015-2025)
Year	Palo Alto, CA Avg	California (CA)	National
2025	32%	29%	34%
2024	33%	29%	34%
2023	31%	29%	34%
2022	31%	28%	33%
2021	28%	28%	33%
2020	23%	28%	32%
2019	23%	27%	31%
2018	21%	27%	30%
2017	19%	27%	30%
2016	22%	26%	29%
2015	25%	25%	28%

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Average Financial Aid Grant

$7,000

$9,066

View Data

Financial Aid Grant Trends (2016-2025)
Year	Palo Alto, CA Avg	California (CA)	National
2025	$7,000	$8,932	$7,073
2024	$7,000	$8,712	$6,930
2023	$7,000	$8,186	$6,469
2020	$2,500	$6,794	$5,921
2019	$2,500	$6,413	$5,795
2018	$2,500	$5,977	$5,456
2017	$2,500	$5,752	$5,319
2016	$3,000	$5,279	$5,105

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Average Endowment Size

$49.33 million

$31.26 million

View Data

Endowment Trends (2017-2025)
Year	Palo Alto, CA Avg	California (CA)	National
2025	$49 M	$31 M	$39 M
2024	$49 M	$17 M	$39 M
2023	$49 M	$16 M	$39 M
2022	$41 M	$18 M	$40 M
2021	$41 M	$17 M	$40 M
2020	$41 M	$16 M	$40 M
2019	$41 M	$15 M	$40 M
2018	$44 M	$12 M	$43 M
2017	$44 M	$16 M	$45 M

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Admissions & Athletics

Average Acceptance Rate

57%

80%

View Data

Acceptance Rate Trends (2015-2025)
Year	Palo Alto, CA Avg	California (CA)	National
2025	62%	80%	81%
2024	68%	84%	85%
2023	55%	84%	85%
2022	75%	84%	85%
2021	75%	84%	85%
2020	75%	84%	85%
2019	75%	84%	85%
2018	75%	84%	85%
2017	75%	85%	85%
2016	63%	84%	85%
2015	75%	84%	85%

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Average Number of Extracurriculars

9 extracurriculars

Average Number of Sports

7 sports

Frequently Asked Questions

What are the top ranked private schools in Palo Alto, CA?

The private schools in Palo Alto, CA include HeadsUp! Montessori Preschool - Palo Alto, Castilleja School, and Silicon Valley International School.

How many private schools are located in Palo Alto?

37 private schools are located in Palo Alto.

How much do private schools cost in Palo Alto?

The average tuition cost is $39,255, which is higher than the California private school average tuition cost of $18,350.

How diverse are private schools in Palo Alto?

Palo Alto private schools are approximately 56% minority students, which is higher than the California private school average of 52%.

What percentage of students in Palo Alto go to private school?

54% of all K-12 students in Palo Alto are educated in private schools (compared to the CA state average of 10%).

What percentage of private schools are religiously affiliated in Palo Alto?

16% of private schools in Palo Alto are religiously affiliated (most commonly Jewish and Catholic).

Which private schools in Palo Alto are often viewed compared to one another?

Popular comparisons of private schools in Palo Alto include: The Girls' Middle School vs. Castilleja School, Castilleja School vs. The Girls' Middle School

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草榴社区

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Quick Facts (2026-27)

Top Ranked Palo Alto 草榴社区 Schools (2026-27)

Palo Alto, CA 草榴社区 School Trends (10-Year)

Trends in Total Number of 草榴社区 Schools

Trends in the Average Number of Students Per 草榴社区 School

Percentage of Students of Color Trends (2015-2025)

Diversity Score Trends

Percentage of 草榴社区 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

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 (2015-2025)

Tuition Cost Trends (2015-2025)

Summer Program Cost Trends (2019-2025)

Percent on Financial Aid Trends (2015-2025)

Financial Aid Grant Trends (2016-2025)

Endowment Trends (2017-2025)

Acceptance Rate Trends (2015-2025)

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