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

Sonoma County Private Schools (Closed)

Anova Center For Education Sonoma County

Gr: 1-12 | 88 students

Special Education School

2911 Cleveland Ave

Santa Rosa, CA 95403

(707) 527-0183

Add to Compare

View Profile

Cross & Crown Lutheran School

Gr: K-5 | 69 students

Avg. class size: 14 students

Evangelical Lutheran Church in America (formerly AELC, ALC, or LCA)

5475 Snyder Lane

Rohnert Park, CA 94928

(707) 795-7863

(2)

Add to Compare

View Profile

Nonesuch School

Gr: Inquire with school | 30 students

4004 Bones Rd

Sebastopol, CA 95472

(707) 823-6603

Add to Compare

View Profile

Pacific Christian Academy

Gr: K-12 | 33 students

Church of Christ

8877 Donald St

Graton, CA 95444

(707) 823-2880

Add to Compare

View Profile

St. Michael's Orthodox School

Gr: 1-8 | 12 students

Avg. class size: 4 students

Alternative School

1545 Rose Avenue

Santa Rosa, CA 95407

(707) 545-0861

Add to Compare

View Profile

Stuart Preparatory School

Gr: K-9 | 37 students

Specialized Curriculum

431 Humboldt St

Santa Rosa, CA 95404

(707) 528-0721

Add to Compare

View Profile

Overview

Academics and Faculty:

# Teachers

625 Teachers

55,647 Teachers

Average Student-Teacher Ratio

10:1

12:1

View Data

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

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full County Data: Full County Dataset XML | Full County Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

% Average Faculty w/Advanced Degree

60%

59%

View Data

Percentage of Faculty With Advanced Degrees Trends (2015-2025)
Year	Sonoma County Average	California (CA) Average	National Average
2025	60%	59%	55%
2024	55%	58%	54%
2023	57%	58%	54%
2022	59%	59%	54%
2021	57%	59%	54%
2020	57%	58%	54%
2019	57%	58%	53%
2018	57%	58%	53%
2017	61%	58%	53%
2016	64%	57%	52%
2015	63%	57%	52%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full County Data: Full County Dataset XML | Full County Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Average Class Size

18 students

17 students

View Data

Class Size Trends (2015-2025)
Year	Sonoma County Average	California (CA) Average	National Average
2025	18	17	15
2024	18	17	15
2023	17	17	15
2022	18	17	15
2021	18	17	15
2020	18	17	15
2019	18	17	15
2018	18	17	15
2017	19	17	15
2016	19	17	15
2015	17	17	15

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full County Data: Full County Dataset XML | Full County Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Average Number of AP Courses

11 courses

15 courses

View Data

Trends in Average Number of AP Courses Offered
Year	Sonoma County Average	California (CA) Average	National Average
2025	11	15	13
2024	10	14	12
2023	8	13	11
2022	8	13	11
2021	8	13	11
2020	8	13	11
2019	7	13	11
2018	7	13	11
2017	9	12	10
2016	9	12	10
2015	7	11	10

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full County Data: Full County Dataset XML | Full County Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Average SAT score

1198

(Out of 1600)

1264

View Data

SAT Score Trends (2017-2025)
Year	Sonoma County Average	California (CA) Average	National Average
2025	1198	1261	1233
2024	1198	1248	1230
2023	1189	1246	1228
2022	1217	1250	1229
2021	1217	1249	1229
2020	1217	1244	1226
2019	1227	1239	1226
2018	1180	1237	1226
2017	1265	1252	1233

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full County Data: Full County Dataset XML | Full County Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Average ACT score

(Out of 36)

View Data

ACT Score Trends (2015-2025)
Year	Sonoma County Average	California (CA) Average	National Average
2025	24	27	26
2024	24	27	26
2023	25	27	26
2022	26	27	26
2021	26	27	26
2020	26	26	25
2019	25	26	25
2018	24	26	25
2017	24	26	25
2016	24	26	25
2015	24	25	25

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full County Data: Full County Dataset XML | Full County Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Tuition and Acceptance Rate:

Average Yearly Tuition Cost

$15,633

$17,579

View Data

Tuition Cost Trends (2015-2025)
Year	Sonoma County Average	California (CA) Average	National Average
2025	$15,728	$18,076	$15,012
2024	$13,768	$17,195	$13,254
2023	$13,285	$16,660	$12,626
2022	$12,687	$15,979	$12,187
2021	$12,492	$15,298	$11,800
2020	$10,966	$14,748	$11,512
2019	$10,541	$14,369	$11,293
2018	$10,431	$13,813	$11,017
2017	$10,002	$13,422	$10,708
2016	$9,521	$12,852	$10,356
2015	$8,632	$11,932	$9,939

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full County Data: Full County Dataset XML | Full County Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Average % on Financial Aid

33%

29%

View Data

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

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full County Data: Full County Dataset XML | Full County Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Average Financial Aid Grant

$7,494

$9,265

View Data

Financial Aid Grant Trends (2015-2025)
Year	Sonoma County Average	California (CA) Average	National Average
2025	$7,494	$8,932	$7,073
2024	$6,945	$8,712	$6,930
2023	$6,440	$8,186	$6,469
2022	$6,156	$8,205	$6,289
2021	$5,878	$7,081	$6,055
2020	$5,856	$6,794	$5,921
2019	$5,856	$6,413	$5,795
2018	$5,544	$5,977	$5,456
2017	$5,211	$5,752	$5,319
2016	$5,363	$5,279	$5,105
2015	$5,125	$5,100	$5,030

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full County Data: Full County Dataset XML | Full County Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Average Acceptance Rate

91%

83%

View Data

Acceptance Rate Trends (2015-2025)
Year	Sonoma County Average	California (CA) Average	National Average
2025	91%	80%	81%
2024	90%	84%	85%
2023	91%	84%	85%
2022	91%	84%	85%
2021	91%	84%	85%
2020	91%	84%	85%
2019	89%	84%	85%
2018	91%	84%	85%
2017	91%	85%	85%
2016	93%	84%	85%
2015	94%	84%	85%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full County Data: Full County Dataset XML | Full County Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Average Endowment Size

$6.67 million

$17.37 million

Students by Ethnicity:

0.60

0.74

View Data

Diversity Score Trends
Year	Sonoma County Average	California (CA) Average	National Average
2025	0.60	0.74	0.65
2024	0.59	0.74	0.65
2023	0.58	0.74	0.65
2022	0.56	0.73	0.64
2021	0.56	0.73	0.64
2020	0.56	0.73	0.64
2019	0.57	0.73	0.63
2018	0.57	0.73	0.63
2017	0.49	0.72	0.61
2016	0.49	0.72	0.61
2015	0.47	0.72	0.61

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full County Data: Full County Dataset XML | Full County Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

# American Indian Students

26 Students

3,574 Students

% American Indian Students

View Data

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

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full County Data: Full County Dataset XML | Full County Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

# Asian Students

204 Students

71,779 Students

% Asian Students

11%

View Data

Asian Student Percentage Trends
Year	Sonoma County Average	California (CA) Average	National Average
2025	4%	11%	5%
2024	3%	11%	5%
2023	4%	11%	5%
2022	4%	10%	4%
2021	4%	10%	4%
2020	4%	10%	4%
2019	3%	10%	4%
2018	3%	10%	4%
2017	2%	10%	4%
2016	3%	10%	4%
2015	3%	10%	4%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full County Data: Full County Dataset XML | Full County Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

# Hispanic Students

697 Students

104,405 Students

% Hispanic Students

11%

16%

View Data

Hispanic Student Percentage Trends
Year	Sonoma County Average	California (CA) Average	National Average
2025	11%	16%	9%
2024	11%	16%	9%
2023	10%	16%	9%
2022	10%	16%	8%
2021	10%	16%	9%
2020	11%	16%	9%
2019	9%	16%	8%
2018	9%	17%	8%
2017	6%	17%	8%
2016	6%	17%	8%
2015	6%	17%	8%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full County Data: Full County Dataset XML | Full County Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

# Black Students

328 Students

30,222 Students

% Black Students

View Data

Black Student Percentage Trends
Year	Sonoma County Average	California (CA) Average	National Average
2025	5%	5%	7%
2024	5%	5%	7%
2023	3%	5%	8%
2022	2%	4%	7%
2021	2%	5%	7%
2020	2%	5%	8%
2019	2%	4%	7%
2018	2%	4%	7%
2017	2%	5%	7%
2016	2%	5%	7%
2015	2%	5%	8%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full County Data: Full County Dataset XML | Full County Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

# White Students

3,727 Students

235,744 Students

% White Students

58%

37%

View Data

White Student Percentage Trends
Year	Sonoma County Average	California (CA) Average	National Average
2025	58%	37%	52%
2024	59%	37%	52%
2023	60%	38%	52%
2022	63%	40%	54%
2021	63%	40%	54%
2020	63%	40%	54%
2019	61%	41%	56%
2018	61%	41%	56%
2017	68%	43%	58%
2016	68%	43%	58%
2015	70%	43%	58%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full County Data: Full County Dataset XML | Full County Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

# Hawaiian Students

15 Students

5,499 Students

% Hawaiian Students

n/a

# Two or more races Students

n/a

% of Two or more races Students

n/a

# Others Students

1,416 Students

188,115 Students

% of Others Students

22%

29%

View Data

Other Races Student Percentage Trends
Year	Sonoma County Average	California (CA) Average	National Average
2025	22%	29%	26%
2024	21%	29%	26%
2023	22%	28%	25%
2022	20%	28%	25%
2021	20%	27%	25%
2020	19%	27%	24%
2019	23%	26%	24%
2018	23%	26%	23%
2017	21%	24%	22%
2016	20%	24%	22%
2015	18%	23%	21%

Download Table: Download as CSV | Download as XML | Download as JSON

Download Full County Data: Full County Dataset XML | Full County Dataset JSON

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars

8 extracurriculars

9 extracurriculars

Average Number of Sports

6 sports

7 sports

Frequently Asked Questions

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

The private schools in Sonoma County, CA include Sonoma Country Day School, St. Rose Elementary School, and Ursuline High School.

How many private schools are located in Sonoma County?

58 private schools are located in Sonoma County.

How much do private schools cost in Sonoma County?

The average tuition cost is $15,633, which is lower than the California private school average tuition cost of $17,579.

How diverse are private schools in Sonoma County?

Sonoma County private schools are approximately 30% minority students, which is lower than the California private school average of 52%.

What percentage of students in Sonoma County go to private school?

9% of all K-12 students in Sonoma County are educated in private schools (compared to the CA state average of 10%).

What percentage of private schools are religiously affiliated in Sonoma County?

34% of private schools in Sonoma County are religiously affiliated (most commonly Catholic and Christian).

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

Popular comparisons of private schools in Sonoma County include: Petaluma KinderCare vs. The Spring Hill School, Journey Academy vs. New Directions School, Greenacre Homes vs. Plumfield Academy

Recent Articles

September 22, 2026

Who Handles Medication at a Private School?

Learn who handles student medication at private schools, what policies families should review, and which questions parents should ask about prescriptions, emergencies, storage, documentation, and daily administration.

September 22, 2026

Does Your Child Need a School With a Full-Time Nurse?

Learn when a full-time school nurse matters, how private schools handle medications, chronic conditions and emergencies, and which health-service questions parents should ask before enrolling their child.

September 22, 2026

The Course Availability Test: Are Classes Really Offered?

Learn how to verify whether private school catalog courses are actually offered each year, identify scheduling limitations, and ask better questions before choosing a school for your child today.

Quick Links

SCHOOL SEARCH TOOLS:

SCHOOL BY TYPE (CA):

OPEN-HOUSES & JOBS:

PUBLIC & BOARDING SCHOOLS:

PRIVATE SCHOOL DATA:

Most Popular Articles

What is AP?

Do Your Child's SSAT or ISEE Scores Really Matter?

School Rankings by Category

Global Educator Empowerment
The Journey to Enrollment
Strategic School Choices
Programs for Exceptional Learners
Excellence in School Security

Year	Sonoma County Average	California (CA) Average	National Average
2025	109	180	179
2024	107	175	172
2023	110	181	174
2022	111	189	185
2021	107	185	180
2020	105	179	171
2019	117	179	175
2018	117	173	172
2017	117	179	180
2016	115	173	178
2015	109	162	167

Quick Facts (26-27)

Quick Facts (26-27)

Top Ranked Sonoma County Private Schools (2026-27)

Sonoma County Private Schools (Closed)

Overview

Trends in Total Number of Private Schools

Trends in the Average Number of Students Per Private 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

SAT Score Trends (2017-2025)

ACT Score Trends (2015-2025)

Tuition and Acceptance Rate:

Tuition Cost Trends (2015-2025)

Percent on Financial Aid Trends (2015-2025)

Financial Aid Grant Trends (2015-2025)

Acceptance Rate Trends (2015-2025)

Students by Ethnicity:

Diversity Score Trends

Percentage of Private 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

Filter Schools

Quick Links

Most Popular Articles

More Articles

Best Sonoma County Private Schools

Top Ranked Sonoma County Private Schools (2026-27)

Sonoma County Private Schools (Closed)

Overview

Trends in Total Number of Private Schools

Trends in the Average Number of Students Per Private 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

SAT Score Trends (2017-2025)

ACT Score Trends (2015-2025)

Tuition and Acceptance Rate:

Tuition Cost Trends (2015-2025)

Percent on Financial Aid Trends (2015-2025)

Financial Aid Grant Trends (2015-2025)

Acceptance Rate Trends (2015-2025)

Students by Ethnicity:

Diversity Score Trends

Percentage of Private 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