Best South San Francisco Private Preschools (2026)

For the 2026 school year, there is 1 private preschool serving 123 students in South San Francisco, CA.

Private Preschools in South San Francisco, CA (2026)

School

Location

Quick Facts

Mills Montessori

Montessori School

1400 Hillside Blvd
South San Francisco, CA 94080
(650) 616-9000

Gr: PK-2 | 123 students

[+] Show Closed Private Schools in South San Francisco, California

South San Francisco, California Private Schools (Closed)

School

Location

Quick Facts

Mater Dolorosa School (Closed 2006)

(Catholic)

1040 Miller Avenue
South San Francisco, CA 94080
(650) 588-8175

Gr: K-8 | 203 students

Roger Williams Academy (Closed 2024)

(Calvinist)

600 Grand Ave
South San Francisco, CA 94080
(415) 238-9669

Gr: 4-10 | 15 students

Overview

This Town (South San Francisco)

This State (CA)

# Schools

1 School

View Data

Trends in Total Number of Private Preschools
Year	South San Francisco, CA Total Schools
2025	1
2024	1
2023	3
2022	3
2021	3
2020	3
2019	2
2018	2
2017	2
2016	2
2015	1

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Student Body:

# Students

123 Students

363,163 Students

View Data

Trends in the Average Number of Students Per Private Preschool
Year	South San Francisco, CA Average	California (CA) Average	National Average
2025	123	174	191
2024	123	169	187
2023	166	173	185
2022	168	174	188
2021	168	170	184
2020	177	166	179
2019	173	168	182
2018	173	164	181
2017	206	166	183
2016	206	163	181
2015	116	152	173

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% Average Students of Color

42%

50%

View Data

Percentage of Students of Color Trends (2015-2025)
Year	South San Francisco, CA Average	California (CA) Average	National Average
2025	42%	50%	32%
2024	42%	49%	32%
2023	81%	50%	32%
2022	75%	48%	31%
2021	75%	48%	32%
2020	76%	47%	31%
2019	76%	48%	31%
2018	76%	47%	30%
2017	87%	48%	31%
2016	87%	48%	31%
2015	84%	47%	31%

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Academics and Faculty:

# Teachers

10 Teachers

26,512 Teachers

Average Student-Teacher Ratio

12:1

14:1

View Data

Student-Teacher Ratio Trends (2015-2025)
Year	South San Francisco, CA Average	California (CA) Average	National Average
2025	12:1	14:1	12:1
2024	12:1	14:1	12:1
2023	19:1	14:1	12:1
2022	19:1	14:1	12:1
2021	19:1	14:1	12:1
2020	20:1	14:1	12:1
2019	22:1	14:1	12:1
2018	22:1	14:1	12:1
2017	24:1	14:1	12:1
2016	24:1	14:1	12:1
2015	19:1	14:1	13:1

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Tuition and Acceptance Rate:

Students by Ethnicity:

0.54

0.70

View Data

Diversity Score Trends
Year	South San Francisco, CA Average	California (CA) Average	National Average
2025	0.54	0.70	0.65
2024	0.54	0.71	0.65
2023	0.74	0.71	0.65
2022	0.73	0.71	0.64
2021	0.73	0.71	0.64
2020	0.72	0.71	0.64
2019	0.75	0.72	0.64
2018	0.75	0.71	0.64
2017	0.72	0.71	0.62
2016	0.72	0.71	0.62
2015	0.39	0.71	0.62

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# American Indian Students

n/a

1,693 Students

% American Indian Students

n/a

# Asian Students

16 Students

30,302 Students

% Asian Students

13%

View Data

Asian Student Percentage Trends
Year	South San Francisco, CA Average	California (CA) Average	National Average
2025	13%	9%	4%
2024	13%	9%	5%
2023	23%	9%	5%
2022	20%	9%	5%
2021	20%	9%	5%
2020	19%	9%	4%
2019	17%	9%	5%
2018	17%	9%	5%
2017	19%	9%	3%
2016	19%	9%	3%
2015	14%	9%	3%

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# Hispanic Students

2 Students

43,007 Students

% Hispanic Students

12%

View Data

Hispanic Student Percentage Trends
Year	South San Francisco, CA Average	California (CA) Average	National Average
2025	2%	12%	8%
2024	2%	13%	8%
2023	29%	13%	8%
2022	29%	13%	8%
2021	29%	13%	7%
2020	28%	13%	7%
2019	36%	14%	7%
2018	36%	13%	7%
2017	30%	13%	6%
2016	30%	13%	7%
2015	3%	13%	6%

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# Black Students

1 Student

12,399 Students

% Black Students

View Data

Black Student Percentage Trends
Year	South San Francisco, CA Average	California (CA) Average	National Average
2025	1%	4%	6%
2024	1%	4%	6%
2023	2%	4%	6%
2022	2%	4%	6%
2021	2%	4%	7%
2020	2%	3%	7%
2019	3%	3%	6%
2018	3%	3%	6%
2017	2%	4%	6%
2016	2%	4%	6%

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# White Students

26 Students

112,259 Students

% White Students

21%

32%

View Data

White Student Percentage Trends
Year	South San Francisco, CA Average	California (CA) Average	National Average
2025	21%	32%	48%
2024	21%	33%	48%
2023	9%	33%	48%
2022	9%	36%	50%
2021	9%	35%	50%
2020	8%	35%	51%
2019	16%	36%	52%
2018	16%	36%	52%
2017	9%	38%	54%
2016	9%	38%	54%
2015	7%	38%	54%

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# Hawaiian Students

n/a

2,000 Students

% Hawaiian Students

n/a

# Two or more races Students

n/a

% of Two or more races Students

n/a

# Others Students

78 Students

144,386 Students

% of Others Students

63%

42%

View Data

Other Races Student Percentage Trends
Year	South San Francisco, CA Average	California (CA) Average	National Average
2025	63%	42%	34%
2024	63%	40%	33%
2023	36%	39%	33%
2022	38%	37%	31%
2021	38%	37%	31%
2020	41%	38%	31%
2019	28%	36%	30%
2018	28%	37%	30%
2017	40%	35%	30%
2016	40%	35%	29%
2015	76%	35%	29%

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All Ethnic Groups