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

Marin County Private Elementary Schools (Closed)

Caulbridge School

Gr: PK-8 | 192 students

Avg. class size: 14 students

Specialized Curriculum

1 St Vincent Drive

San Rafael, CA 94903

(415) 481-1243

(9)

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The Marin School

Gr: 9-12 | 76 students

Avg. class size: 8 students

150 N. San Pedro Road

San Rafael, CA 94903

(415) 339-9336

(3)

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Real School

Gr: 7-8 | 4 students

Alternative School

102 Eye St

San Rafael, CA 94901

(415) 383-7573

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Ring Mountain School

Gr: K-8 | 99 students

70 Lomita Dr

Mill Valley, CA 94941

(415) 381-8183

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Sparrow Creek School

Gr: PK-K | 23 students

Montessori School

304 Caledonia St

Sausalito, CA 94965

(415) 324-7000

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Overview

Academics and Faculty:

# Teachers

820 Teachers

44,350 Teachers

Average Student-Teacher Ratio

8:1

12:1

View Data

Student-Teacher Ratio Trends (2015-2025)
Year	Marin County Average	California (CA) Average	National Average
2025	8:1	12:1	11:1
2024	8:1	12:1	11:1
2023	9:1	12:1	11:1
2022	9:1	12:1	11:1
2021	8:1	12:1	11:1
2020	8:1	12:1	11:1
2019	9:1	12:1	11:1
2018	8:1	12:1	11:1
2017	9:1	12:1	11:1
2016	8:1	12:1	12:1
2015	9:1	13:1	12:1

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% Average Faculty w/Advanced Degree

53%

59%

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Percentage of Faculty With Advanced Degrees Trends (2015-2025)
Year	Marin County Average	California (CA) Average	National Average
2025	53%	59%	54%
2024	50%	58%	54%
2023	53%	58%	53%
2022	58%	59%	53%
2021	53%	58%	53%
2020	53%	57%	53%
2019	53%	57%	52%
2018	51%	57%	52%
2017	51%	57%	51%
2016	46%	56%	51%
2015	53%	56%	50%

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Average Class Size

15 students

17 students

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Class Size Trends (2015-2025)
Year	Marin County Average	California (CA) Average	National Average
2025	15	17	16
2024	15	17	15
2023	15	17	15
2022	15	17	15
2021	16	17	15
2020	16	17	15
2019	16	17	15
2018	16	17	15
2017	16	17	15
2016	17	17	15
2015	17	17	15

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Average Number of AP Courses

15 courses

14 courses

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Trends in Average Number of AP Courses Offered
Year	Marin County Average	California (CA) Average	National Average
2025	15	13	12
2024	16	12	11
2023	18	12	10
2022	12	12	10
2021	15	12	10
2020	15	12	10
2019	15	12	10
2018	15	11	10
2017	15	11	10
2016	15	10	9
2015	15	9	9

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Tuition and Acceptance Rate:

Average Yearly Tuition Cost

$28,039

$17,124

View Data

Tuition Cost Trends (2015-2025)
Year	Marin County Average	California (CA) Average	National Average
2025	$27,479	$17,472	$14,043
2024	$29,176	$16,481	$12,357
2023	$25,799	$15,797	$11,693
2022	$25,101	$15,172	$11,199
2021	$23,715	$14,410	$10,824
2020	$22,038	$13,806	$10,496
2019	$22,038	$13,359	$10,300
2018	$20,694	$12,957	$10,056
2017	$20,322	$12,372	$9,712
2016	$17,441	$11,774	$9,307
2015	$16,556	$10,743	$8,903

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Average Summer Program Cost

$3,200

$1,077

View Data

Summer Program Cost Trends (2019-2025)
Year	Marin County Average	California (CA) Average	National Average
2025	$4,050	$1,026	$1,115
2024	$4,050	$993	$1,094
2023	$3,100	$878	$1,136
2022	$2,981	$903	$1,075
2021	$2,921	$784	$1,028
2020	$65	$802	$1,130
2019	$65	$931	$1,199

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Average % on Financial Aid

30%

28%

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Percent on Financial Aid Trends (2015-2025)
Year	Marin County Average	California (CA) Average	National Average
2025	30%	28%	34%
2024	31%	28%	33%
2023	30%	27%	33%
2022	30%	27%	32%
2021	29%	27%	32%
2020	26%	27%	31%
2019	26%	26%	30%
2018	25%	26%	29%
2017	25%	26%	29%
2016	24%	24%	28%
2015	23%	24%	27%

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Average Financial Aid Grant

$13,988

$8,437

View Data

Financial Aid Grant Trends (2015-2025)
Year	Marin County Average	California (CA) Average	National Average
2025	$13,988	$8,316	$6,227
2024	$15,561	$8,163	$6,113
2023	$14,616	$7,722	$5,785
2022	$10,420	$7,550	$5,514
2021	$8,206	$6,152	$5,269
2020	$7,990	$5,983	$5,141
2019	$7,990	$5,550	$5,007
2018	$8,090	$5,239	$4,752
2017	$8,090	$4,890	$4,582
2016	$9,079	$4,403	$4,396
2015	$8,947	$4,262	$4,230

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Average Acceptance Rate

83%

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Acceptance Rate Trends (2015-2025)
Year	Marin County Average	California (CA) Average	National Average
2025	80%	81%	81%
2024	78%	84%	85%
2023	81%	84%	85%
2022	77%	84%	85%
2021	77%	85%	86%
2020	86%	85%	86%
2019	86%	84%	85%
2018	91%	85%	85%
2017	91%	86%	86%
2016	91%	85%	85%
2015	99%	86%	86%

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Average Endowment Size

$4.2 million

$14.74 million

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Endowment Trends (2017-2025)
Year	Marin County Average	California (CA) Average	National Average
2025	$27 M	$28 M	$33 M
2024	$5 M	$11 M	$24 M
2023	$5 M	$11 M	$24 M
2022	$4 M	$11 M	$24 M
2021	$4 M	$9 M	$23 M
2020	$4 M	$10 M	$21 M
2019	$4 M	$9 M	$20 M
2018	$3 M	$11 M	$22 M
2017	$3 M	$15 M	$20 M

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Students by Ethnicity:

0.61

0.74

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Diversity Score Trends
Year	Marin County Average	California (CA) Average	National Average
2025	0.61	0.74	0.64
2024	0.62	0.74	0.64
2023	0.59	0.74	0.63
2022	0.56	0.72	0.62
2021	0.54	0.73	0.62
2020	0.55	0.73	0.62
2019	0.54	0.72	0.61
2018	0.55	0.72	0.60
2017	0.57	0.71	0.59
2016	0.56	0.71	0.59
2015	0.55	0.71	0.58

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# American Indian Students

111 Students

2,778 Students

% American Indian Students

n/a

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Percentage of Private Elementary School Students of American Indian Trends
Year	Marin County Average	California (CA) Average	National Average
2025	2%	1%	1%
2024	2%	1%	1%
2023	2%	1%	1%
2022	2%	1%	1%
2021	2%	1%	1%
2020	3%	1%	1%
2019	3%	1%	1%
2018	2%	1%	1%
2017	2%	2%	1%
2016	3%	2%	1%
2015	2%	2%	1%

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# Asian Students

264 Students

57,357 Students

% Asian Students

12%

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Asian Student Percentage Trends
Year	Marin County Average	California (CA) Average	National Average
2025	4%	12%	5%
2024	4%	12%	5%
2023	4%	12%	5%
2022	3%	10%	5%
2021	3%	10%	5%
2020	3%	10%	5%
2019	3%	11%	4%
2018	3%	11%	4%
2017	4%	10%	4%
2016	4%	10%	4%
2015	3%	11%	4%

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# Hispanic Students

585 Students

80,970 Students

% Hispanic Students

17%

View Data

Hispanic Student Percentage Trends
Year	Marin County Average	California (CA) Average	National Average
2025	9%	17%	9%
2024	9%	17%	9%
2023	8%	17%	9%
2022	9%	17%	8%
2021	9%	17%	9%
2020	9%	17%	9%
2019	9%	17%	8%
2018	9%	17%	8%
2017	9%	17%	8%
2016	9%	17%	8%
2015	9%	17%	8%

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# Black Students

256 Students

23,389 Students

% Black Students

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Black Student Percentage Trends
Year	Marin County Average	California (CA) Average	National Average
2025	4%	5%	8%
2024	4%	5%	8%
2023	2%	5%	8%
2022	2%	5%	7%
2021	2%	5%	8%
2020	2%	5%	8%
2019	2%	5%	8%
2018	2%	5%	8%
2017	2%	5%	7%
2016	2%	5%	8%
2015	2%	5%	8%

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# White Students

3,683 Students

193,117 Students

% White Students

57%

40%

View Data

White Student Percentage Trends
Year	Marin County Average	California (CA) Average	National Average
2025	57%	40%	55%
2024	56%	40%	55%
2023	59%	40%	55%
2022	62%	43%	57%
2021	65%	43%	57%
2020	63%	43%	58%
2019	65%	44%	59%
2018	64%	45%	59%
2017	62%	46%	61%
2016	63%	46%	61%
2015	63%	46%	61%

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# Hawaiian Students

12 Students

3,903 Students

% Hawaiian Students

n/a

# Two or more races Students

n/a

% of Two or more races Students

n/a

# Others Students

1,574 Students

121,811 Students

% of Others Students

24%

25%

View Data

Other Races Student Percentage Trends
Year	Marin County Average	California (CA) Average	National Average
2025	24%	24%	22%
2024	25%	24%	22%
2023	25%	24%	22%
2022	22%	23%	22%
2021	19%	23%	20%
2020	20%	23%	19%
2019	18%	21%	20%
2018	20%	20%	20%
2017	21%	20%	19%
2016	19%	20%	18%
2015	21%	19%	18%

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All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars

9 extracurriculars

8 extracurriculars

Average Number of Sports

5 sports

6 sports

Frequently Asked Questions

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

The private elementary schools in Marin County, CA include Brandeis Marin, San Domenico School, and Terra Marin School.

How many private elementary schools are located in Marin County?

37 private elementary schools are located in Marin County.

How much do private elementary schools cost in Marin County?

The average tuition cost is $28,039, which is higher than the California private school average tuition cost of $17,124.

How diverse are private elementary schools in Marin County?

Marin County private elementary schools are approximately 26% minority students, which is lower than the California private school average of 50%.

What percentage of private elementary schools are religiously affiliated in Marin County?

27% of private elementary schools in Marin County are religiously affiliated (most commonly Catholic and Jewish).

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

Popular comparisons of private elementary schools in Marin County include: Terra Marin School vs. Marin Horizon School, Marin Christian Academy vs. Good Shepherd Lutheran School, Headlands Preparatory School vs. San Domenico School

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Quick Facts (2026-27)

Quick Facts (2026-27)

Top Ranked Marin County Private Elementary Schools (2026-27)

Marin County Private Elementary Schools (Closed)

Overview

Trends in Total Number of Private Elementary Schools

Trends in the Average Number of Students Per Private Elementary 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

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)

Endowment Trends (2017-2025)

Students by Ethnicity:

Diversity Score Trends

Percentage of Private Elementary 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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Trends in the Average Number of Students Per Private Elementary School
Year	Marin County Average	California (CA) Average	National Average
2025	189	204	199
2024	191	199	192
2023	194	206	193
2022	200	213	205
2021	195	209	201
2020	196	202	188
2019	203	201	193
2018	191	194	190
2017	190	201	199
2016	181	193	196
2015	187	180	183

Best Marin County Private Elementary Schools (2026-27)

Top Ranked Marin County Private Elementary Schools (2026-27)

Marin County Private Elementary Schools (Closed)

Overview

Trends in Total Number of Private Elementary Schools

Trends in the Average Number of Students Per Private Elementary 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

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)

Endowment Trends (2017-2025)

Students by Ethnicity:

Diversity Score Trends

Percentage of Private Elementary 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

More Articles