Best Altadena �� Preschools (2026)

For the 2026 school year, there are 8 private preschools serving 1,082 students in Altadena, CA.

The private preschools in Altadena, CA include Pasadena Waldorf High School and Pasadena Waldorf School.

The average acceptance rate is 80%, which is lower than the California private preschool average acceptance rate of 82%.

13% of private preschools in Altadena, CA are religiously affiliated (most commonly Christian).

Top-Ranked Altadena �� Preschools (2026)

School

Location

Quick Facts

Stratford School Altadena

Add to Compare

2046 Allen Avenue
Altadena, CA 91001
(626) 657-2742

Gr: NS-6 | 169 students Extracurrculars: 8 Tuition listed

Pasadena Waldorf High School

Special Program Emphasis

Add to Compare

536 E Mendocino St
Altadena, CA 91001
(626) 204-0786

Gr: PK-12 | 307 students Tuition listed

Pasadena Waldorf School

Special Program Emphasis

Add to Compare

(4)

209 E. Mariposa Street
Altadena, CA 91001
(626) 794-9565

Gr: NS-12 | 340 students Avg. class size: 20 students Sports: 5 | Extracurrculars: 15 Tuition & acceptance rate listed

Altadena Boys & Girls Academy

Add to Compare

2151 Lake Ave
Altadena, CA 91001
(626) 345-0540

Gr: PK-6 | 18 students

Firehouse Preschool

Daycare / Preschool

Add to Compare

1923 Allen Ave
Altadena, CA 91001
(626) 798-2865

Gr: PK-K | 24 students

Meher Montessori School

Montessori School

Add to Compare

943 E Altadena Drive
Altadena, CA 91001
(626) 798-1171

Gr: PK-K | 30 students

Princeton Montessori School

All-girls | Montessori School

Add to Compare

922 E Mendocino St
Altadena, CA 91001
(626) 794-2244

Gr: NS | 12 students Tuition listed

Sahag-mesrob Armenian Christian School

(Christian)

Add to Compare

2501 Maiden Ln
Altadena, CA 91001
(626) 798-5020

Gr: PK-8 | 182 students Tuition listed

[+] Show Closed �� Schools in Altadena, California

Altadena, California �� Schools (Closed)

School

Location

Quick Facts

Hathaway-Sycamores School (Closed 2016)

Alternative School

2933 El Nido Drive
Altadena, CA 91001
(626) 395-7100

Gr: K-12

Oak Knoll Montessori School (Closed 2025)

Montessori School

3544 Canon Blvd
Altadena, CA 91001
(626) 345-9929

Gr: PK | 112 students

Overview

This Town (Altadena)

This State (CA)

# Schools

8 Schools

View Data

Trends in Total Number of �� Preschools
Year	Altadena, CA Total Schools
2025	8
2024	9
2023	9
2022	9
2021	8
2020	8
2019	8
2018	7
2017	7
2016	8
2015	8

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Student Body:

# Students

1,082 Students

363,163 Students

View Data

Trends in the Average Number of Students Per �� Preschool
Year	Altadena, CA Average	California (CA) Average	National Average
2025	135	174	191
2024	133	169	187
2023	155	173	185
2022	136	174	188
2021	115	170	184
2020	115	166	179
2019	90	168	182
2018	91	164	181
2017	110	166	183
2016	141	163	181
2015	132	152	173

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% Average Students of Color

48%

50%

View Data

Percentage of Students of Color Trends (2015-2025)
Year	Altadena, CA Average	California (CA) Average	National Average
2025	48%	50%	32%
2024	48%	49%	32%
2023	33%	50%	32%
2022	41%	48%	31%
2021	34%	48%	32%
2020	34%	47%	31%
2019	82%	48%	31%
2018	94%	47%	30%
2017	33%	48%	31%
2016	39%	48%	31%
2015	40%	47%	31%

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Academics and Faculty:

# Teachers

95 Teachers

26,512 Teachers

Average Student-Teacher Ratio

11:1

14:1

View Data

Student-Teacher Ratio Trends (2015-2025)
Year	Altadena, CA Average	California (CA) Average	National Average
2025	11:1	14:1	12:1
2024	12:1	14:1	12:1
2023	11:1	14:1	12:1
2022	11:1	14:1	12:1
2021	11:1	14:1	12:1
2020	11:1	14:1	12:1
2019	10:1	14:1	12:1
2018	11:1	14:1	12:1
2017	11:1	14:1	12:1
2016	11:1	14:1	12:1
2015	11:1	14:1	13:1

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% Average Faculty w/Advanced Degree

25%

58%

View Data

Percentage of Faculty With Advanced Degrees Trends (2015-2025)
Year	Altadena, CA Average	California (CA) Average	National Average
2025	25%	58%	51%
2024	25%	57%	51%
2023	25%	55%	51%
2022	25%	56%	51%
2021	25%	56%	50%
2020	25%	55%	50%
2019	25%	56%	50%
2018	25%	54%	50%
2017	25%	54%	49%
2016	25%	53%	49%
2015	25%	51%	48%

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Average Class Size

20 students

18 students

View Data

Class Size Trends (2015-2025)
Year	Altadena, CA Average	California (CA) Average	National Average
2025	20	18	16
2024	20	18	16
2023	21	18	16
2022	24	18	16
2021	25	18	16
2020	25	18	16
2019	17	18	16
2018	20	18	16
2017	20	18	16
2016	19	18	16
2015	19	17	16

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Tuition and Acceptance Rate:

Average Yearly Tuition Cost

$25,586

$15,631

View Data

Tuition Cost Trends (2015-2025)
Year	Altadena, CA Average	California (CA) Average	National Average
2025	$25,586	$15,764	$12,988
2024	$30,052	$13,486	$10,159
2023	$30,052	$12,933	$9,500
2022	$19,750	$11,654	$8,989
2021	$19,750	$11,328	$8,661
2020	$19,750	$10,673	$8,383
2019	$13,617	$10,366	$8,266
2018	$15,425	$9,953	$7,888
2017	$15,425	$9,748	$7,628
2016	$16,053	$9,284	$7,230
2015	$16,053	$8,988	$6,984

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Average % on Financial Aid

28%

25%

View Data

Percent on Financial Aid Trends (2015-2025)
Year	Altadena, CA Average	California (CA) Average	National Average
2025	28%	25%	31%
2024	28%	25%	30%
2023	28%	25%	30%
2022	28%	26%	29%
2021	28%	25%	29%
2020	28%	24%	29%
2019	28%	25%	28%
2018	28%	24%	27%
2017	28%	24%	26%
2016	29%	22%	25%
2015	29%	22%	24%

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Average Financial Aid Grant

$12,000

$5,553

View Data

Financial Aid Grant Trends (2015-2025)
Year	Altadena, CA Average	California (CA) Average	National Average
2025	$12,000	$5,597	$4,864
2024	$12,000	$5,756	$4,788
2023	$12,000	$6,813	$4,663
2022	$12,000	$6,489	$4,366
2021	$10,000	$4,847	$4,213
2020	$10,000	$4,841	$4,101
2019	$10,000	$4,288	$3,985
2018	$10,000	$4,068	$3,694
2017	$10,000	$4,127	$3,658
2016	$5,750	$3,170	$3,429
2015	$5,750	$3,271	$3,393

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Average Acceptance Rate

80%

82%

View Data

Acceptance Rate Trends (2015-2025)
Year	Altadena, CA Average	California (CA) Average	National Average
2025	80%	82%	83%
2024	80%	87%	88%
2023	80%	87%	88%
2022	80%	86%	88%
2021	80%	86%	88%
2020	80%	86%	88%
2019	84%	86%	88%
2018	78%	87%	88%
2017	78%	87%	88%
2016	78%	86%	88%
2015	78%	88%	88%

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Students by Ethnicity:

0.72

0.70

View Data

Diversity Score Trends
Year	Altadena, CA Average	California (CA) Average	National Average
2025	0.72	0.70	0.65
2024	0.72	0.71	0.65
2023	0.60	0.71	0.65
2022	0.58	0.71	0.64
2021	0.68	0.71	0.64
2020	0.68	0.71	0.64
2019	0.72	0.72	0.64
2018	0.56	0.71	0.64
2017	0.39	0.71	0.62
2016	0.38	0.71	0.62
2015	0.38	0.71	0.62

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# American Indian Students

1 Student

1,693 Students

% American Indian Students

n/a

# Asian Students

36 Students

30,302 Students

% Asian Students

View Data

Asian Student Percentage Trends
Year	Altadena, CA Average	California (CA) Average	National Average
2025	6%	9%	4%
2024	7%	9%	5%
2023	5%	9%	5%
2022	6%	9%	5%
2021	8%	9%	5%
2020	8%	9%	4%
2019	6%	9%	5%
2017	1%	9%	3%
2016	2%	9%	3%
2015	2%	9%	3%

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# Hispanic Students

67 Students

43,007 Students

% Hispanic Students

12%

View Data

Hispanic Student Percentage Trends
Year	Altadena, CA Average	California (CA) Average	National Average
2025	12%	12%	8%
2024	11%	13%	8%
2023	3%	13%	8%
2022	2%	13%	8%
2021	3%	13%	7%
2020	3%	13%	7%
2019	39%	14%	7%
2018	55%	13%	7%
2017	2%	13%	6%
2016	1%	13%	7%
2015	1%	13%	6%

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# Black Students

60 Students

12,399 Students

% Black Students

10%

View Data

Black Student Percentage Trends
Year	Altadena, CA Average	California (CA) Average	National Average
2025	10%	4%	6%
2024	10%	4%	6%
2023	8%	4%	6%
2022	8%	4%	6%
2021	12%	4%	7%
2020	12%	3%	7%
2019	5%	3%	6%
2018	5%	3%	6%
2017	4%	4%	6%
2016	3%	4%	6%
2015	3%	4%	6%

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# White Students

199 Students

112,259 Students

% White Students

35%

32%

View Data

White Student Percentage Trends
Year	Altadena, CA Average	California (CA) Average	National Average
2025	35%	32%	48%
2024	33%	33%	48%
2023	56%	33%	48%
2022	60%	36%	50%
2021	44%	35%	50%
2020	44%	35%	51%
2019	25%	36%	52%
2018	2%	36%	52%
2017	76%	38%	54%
2016	77%	38%	54%
2015	77%	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

210 Students

144,386 Students

% of Others Students

37%

42%

View Data

Other Races Student Percentage Trends
Year	Altadena, CA Average	California (CA) Average	National Average
2025	37%	42%	34%
2024	39%	40%	33%
2023	28%	39%	33%
2022	24%	37%	31%
2021	33%	37%	31%
2020	33%	38%	31%
2019	25%	36%	30%
2018	38%	37%	30%
2017	17%	35%	30%
2016	17%	35%	29%
2015	17%	35%	29%

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All Ethnic Groups