Palo Alto, CA Private School Trends (10-Year)

Private Schools

+183.3% (+11 schools) 10-yr

10,416

Students

+754.5% (+9,197 students) 10-yr

$29,324

Avg. Tuition

+144.4% (+$17,324) 10-yr

Avg. Class Size

+45.5% (+5 students) 10-yr

57%

Students of Color

-23.0% (-17.0 pp) 10-yr

22:1

Student-Teacher Ratio

+120.0% (+12.0) 10-yr

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Enrollment & Diversity

Category

This Town (Palo Alto)

This State (CA)

# Schools

17 Schools

2,248 Schools

View Data

Trends in Total Number of Private Preschools
Year	Palo Alto, CA Total Schools
2025	17
2024	17
2023	16
2022	14
2021	14
2020	14
2019	11
2018	9
2017	7
2016	7
2015	6

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# Students

10,416 Students

362,400 Students

View Data

Trends in the Average Number of Students Per Private Preschool
Year	Palo Alto, CA Avg	California (CA)	National
2025	730	174	191
2024	192	169	187
2023	221	173	185
2022	244	174	188
2021	244	170	184
2020	235	166	179
2019	251	168	182
2018	231	164	181
2017	217	166	183
2016	203	163	181
2015	203	152	173

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% Students of Color

57%

50%

View Data

Percentage of Students of Color Trends (2015-2025)
Year	Palo Alto, CA Avg	California (CA)	National
2025	56%	50%	32%
2024	61%	49%	32%
2023	58%	50%	32%
2022	60%	48%	31%
2021	60%	48%	32%
2020	64%	47%	31%
2019	62%	48%	31%
2018	66%	47%	30%
2017	79%	48%	31%
2016	74%	48%	31%
2015	74%	47%	31%

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0.28

0.70

View Data

Diversity Score Trends
Year	Palo Alto, CA Avg	California (CA)	National
2025	0.28	0.70	0.65
2024	0.73	0.71	0.65
2023	0.74	0.71	0.65
2022	0.74	0.71	0.64
2021	0.74	0.71	0.64
2020	0.77	0.71	0.64
2019	0.76	0.72	0.64
2018	0.75	0.71	0.64
2017	0.75	0.71	0.62
2016	0.67	0.71	0.62
2015	0.67	0.71	0.62

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▼ Show more data/charts: racial breakdown

# American Indian Students

53 Students

1,687 Students

% American Indian Students

n/a

# Asian Students

407 Students

30,525 Students

% Asian Students

View Data

Asian Student Percentage Trends
Year	Palo Alto, CA Avg	California (CA)	National
2025	4%	9%	4%
2024	17%	9%	5%
2023	18%	9%	5%
2022	18%	9%	5%
2021	18%	9%	5%
2020	21%	9%	4%
2019	21%	9%	5%
2018	25%	9%	5%
2017	14%	9%	3%
2016	19%	9%	3%
2015	19%	9%	3%

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# Hispanic Students

198 Students

43,560 Students

% Hispanic Students

13%

View Data

Hispanic Student Percentage Trends
Year	Palo Alto, CA Avg	California (CA)	National
2025	2%	12%	8%
2024	9%	13%	8%
2023	10%	13%	8%
2022	11%	13%	8%
2021	11%	13%	7%
2020	14%	13%	7%
2019	15%	14%	7%
2018	17%	13%	7%
2017	21%	13%	6%
2016	2%	13%	7%
2015	2%	13%	6%

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# Black Students

31 Students

12,191 Students

% Black Students

n/a

View Data

Black Student Percentage Trends
Year	Palo Alto, CA Avg	California (CA)	National
2024	1%	4%	6%
2023	2%	4%	6%
2022	2%	4%	6%
2021	2%	4%	7%
2020	2%	3%	7%
2019	2%	3%	6%
2018	2%	3%	6%
2017	3%	4%	6%
2016	2%	4%	6%
2015	2%	4%	6%

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# White Students

819 Students

112,567 Students

% White Students

33%

View Data

White Student Percentage Trends
Year	Palo Alto, CA Avg	California (CA)	National
2025	8%	32%	48%
2024	36%	33%	48%
2023	37%	33%	48%
2022	37%	36%	50%
2021	37%	35%	50%
2020	25%	35%	51%
2019	25%	36%	52%
2018	22%	36%	52%
2017	32%	38%	54%
2016	42%	38%	54%
2015	42%	38%	54%

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# Hawaiian Students

23 Students

2,015 Students

% Hawaiian Students

n/a

# Two or more races Students

n/a

% of Two or more races Students

n/a

# Others Students

8,439 Students

143,224 Students

% of Others Students

85%

41%

View Data

Other Races Student Percentage Trends
Year	Palo Alto, CA Avg	California (CA)	National
2025	84%	42%	34%
2024	34%	40%	33%
2023	30%	39%	33%
2022	29%	37%	31%
2021	29%	37%	31%
2020	34%	38%	31%
2019	34%	36%	30%
2018	34%	37%	30%
2017	30%	35%	30%
2016	35%	35%	29%
2015	35%	35%	29%

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All Ethnic Groups

Academics

# Teachers

474 Teachers

26,781 Teachers

Average Student-Teacher Ratio

22:1

14:1

View Data

Student-Teacher Ratio Trends (2015-2025)
Year	Palo Alto, CA Avg	California (CA)	National
2025	24:1	14:1	12:1
2024	7:1	14:1	12:1
2023	7:1	14:1	12:1
2022	8:1	14:1	12:1
2021	8:1	14:1	12:1
2020	10:1	14:1	12:1
2019	11:1	14:1	12:1
2018	12:1	14:1	12:1
2017	11:1	14:1	12:1
2016	10:1	14:1	12:1
2015	10:1	14:1	13:1

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% Average Faculty w/Advanced Degree

80%

58%

View Data

Percentage of Faculty With Advanced Degrees Trends (2015-2025)
Year	Palo Alto, CA Avg	California (CA)	National
2025	80%	58%	51%
2024	84%	57%	51%
2023	78%	55%	51%
2022	80%	56%	51%
2021	80%	56%	50%
2020	86%	55%	50%
2019	80%	56%	50%
2018	75%	54%	50%
2017	75%	54%	49%
2016	75%	53%	49%
2015	75%	51%	48%

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Average Class Size

16 students

18 students

View Data

Class Size Trends (2015-2025)
Year	Palo Alto, CA Avg	California (CA)	National
2025	16	18	16
2024	18	18	16
2023	18	18	16
2022	21	18	16
2021	21	18	16
2020	19	18	16
2019	19	18	16
2018	16	18	16
2017	16	18	16
2016	11	18	16
2015	11	17	16

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Tuition & Aid

Average Yearly Tuition Cost

$29,324

$15,667

View Data

Tuition Cost Trends (2015-2025)
Year	Palo Alto, CA Avg	California (CA)	National
2025	$27,241	$15,764	$12,988
2024	$28,516	$13,486	$10,159
2023	$32,365	$12,933	$9,500
2022	$25,417	$11,654	$8,989
2021	$25,417	$11,328	$8,661
2020	$23,936	$10,673	$8,383
2019	$24,251	$10,366	$8,266
2018	$21,000	$9,953	$7,888
2017	$12,000	$9,748	$7,628
2016	$12,000	$9,284	$7,230
2015	$12,000	$8,988	$6,984

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Average Summer Program Cost

$650

$779

Average % on Financial Aid

35%

25%

View Data

Percent on Financial Aid Trends (2018-2025)
Year	Palo Alto, CA Avg	California (CA)	National
2025	35%	25%	31%
2024	35%	25%	30%
2023	32%	25%	30%
2022	35%	26%	29%
2021	35%	25%	29%
2020	21%	24%	29%
2019	30%	25%	28%
2018	25%	24%	27%

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Average Financial Aid Grant

$4,000

$5,765

View Data

Financial Aid Grant Trends (2020-2025)
Year	Palo Alto, CA Avg	California (CA)	National
2025	$4,000	$5,597	$4,864
2024	$4,000	$5,756	$4,788
2023	$4,000	$6,813	$4,663
2020	$2,500	$4,841	$4,101

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Average Endowment Size

$50 million

$30.72 million

Admissions & Athletics

Average Acceptance Rate

43%

83%

View Data

Acceptance Rate Trends (2023-2025)
Year	Palo Alto, CA Avg	California (CA)	National
2025	48%	82%	83%
2024	65%	87%	88%
2023	35%	87%	88%

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Average Number of Extracurriculars

6 extracurriculars

7 extracurriculars

Average Number of Sports

5 sports

6 sports

Frequently Asked Questions

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

The private preschools in Palo Alto, CA include Challenger School - Middlefield, Silicon Valley International School, and Emerson Montessori School - Palo Alto.

How many private preschools are located in Palo Alto?

17 private preschools are located in Palo Alto.

How diverse are private preschools in Palo Alto?

Palo Alto private preschools are approximately 57% minority students, which is higher than the California private school average of 50%.

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

12% of private preschools in Palo Alto are religiously affiliated (most commonly Jewish and Catholic).

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Quick Facts (2026)

Quick Facts (2026)

Top Ranked Palo Alto Private Preschools (2026)

Palo Alto, CA Private School Trends (10-Year)

Trends in Total Number of Private Preschools

Trends in the Average Number of Students Per Private Preschool

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

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)

Tuition Cost Trends (2015-2025)

Percent on Financial Aid Trends (2018-2025)

Financial Aid Grant Trends (2020-2025)

Acceptance Rate Trends (2023-2025)

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