[+] Show Closed Private Schools in Boulder, Colorado

Boulder, Colorado Private Schools (Closed)

Blue Sky Kindergarten

Gr: PK-K | 34 students

Daycare / Preschool

3046 11th St

Boulder, CO 80304

(303) 443-4965

Add to Compare

View Profile

Countryside Montessori School

Gr: PK-K | 33 students

Montessori School

5524 Baseline Rd

Boulder, CO 80303

(303) 494-3100

Add to Compare

View Profile

Boulder, CO Private School Trends (10-Year)

Private Schools

-4.5% (-1 school) 10-yr

2,073

Students

-17.1% (-428 students) 10-yr

$25,881

Avg. Tuition

+63.2% (+$10,023) 10-yr

Avg. Class Size

+7.7% (+1 student) 10-yr

24%

Students of Color

+84.6% (+11.0 pp) 10-yr

7:1

Student-Teacher Ratio

-22.2% (-2.0) 10-yr

Download town snapshot: CSV | XML | JSON 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.

Enrollment & Diversity

Category

This Town (Boulder)

This State (CO)

# Schools

21 Schools

501 Schools

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Trends in Total Number of Private Schools
Year	Boulder, CO Total Schools
2025	21
2024	22
2023	19
2022	21
2021	21
2020	21
2019	21
2018	21
2017	21
2016	21
2015	22

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

Download Full Town Data: Full Town Dataset XML | Full Town 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.

# Students

2,073 Students

71,391 Students

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Trends in the Average Number of Students Per Private School
Year	Boulder, CO Avg	Colorado (CO)	National
2025	105	160	179
2024	102	153	172
2023	117	155	174
2022	114	155	185
2021	112	153	180
2020	111	148	171
2019	113	148	175
2018	113	157	172
2017	111	158	180
2016	110	157	178
2015	114	138	167

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

Download Full Town Data: Full Town Dataset XML | Full Town 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.

% Students of Color

24%

25%

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Percentage of Students of Color Trends (2015-2025)
Year	Boulder, CO Avg	Colorado (CO)	National
2025	25%	25%	34%
2024	23%	25%	34%
2023	22%	25%	33%
2022	17%	25%	33%
2021	16%	25%	32%
2020	13%	25%	32%
2019	11%	24%	31%
2018	11%	23%	31%
2017	18%	27%	32%
2016	18%	27%	32%
2015	13%	27%	32%

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

Download Full Town Data: Full Town Dataset XML | Full Town 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.

0.58

0.62

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Diversity Score Trends
Year	Boulder, CO Avg	Colorado (CO)	National
2025	0.58	0.63	0.65
2024	0.58	0.63	0.65
2023	0.58	0.62	0.65
2022	0.55	0.62	0.64
2021	0.55	0.63	0.64
2020	0.54	0.63	0.64
2019	0.53	0.62	0.63
2018	0.53	0.62	0.63
2017	0.50	0.62	0.61
2016	0.49	0.62	0.61
2015	0.49	0.62	0.61

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

Download Full Town Data: Full Town Dataset XML | Full Town 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.

Show more data/charts: racial breakdown

# American Indian Students

12 Students

404 Students

% American Indian Students

View Data

Percentage of Private School Students of American Indian Trends
Year	Boulder, CO Avg	Colorado (CO)	National
2025	1%	1%	1%
2024	1%	1%	1%
2023	1%	1%	1%
2017	1%	1%	1%
2016	1%	1%	1%
2015	1%	1%	1%

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

Download Full Town Data: Full Town Dataset XML | Full Town 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

30 Students

1,604 Students

% Asian Students

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Asian Student Percentage Trends
Year	Boulder, CO Avg	Colorado (CO)	National
2025	2%	2%	5%
2024	1%	2%	5%
2023	2%	2%	5%
2022	2%	3%	4%
2021	2%	3%	4%
2020	2%	3%	4%
2019	2%	2%	4%
2018	2%	3%	4%
2017	2%	2%	4%
2016	2%	2%	4%
2015	2%	2%	4%

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

Download Full Town Data: Full Town Dataset XML | Full Town 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

99 Students

5,866 Students

% Hispanic Students

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Hispanic Student Percentage Trends
Year	Boulder, CO Avg	Colorado (CO)	National
2025	5%	9%	9%
2024	5%	9%	9%
2023	5%	8%	9%
2022	5%	9%	8%
2021	5%	9%	9%
2020	5%	9%	9%
2019	4%	9%	8%
2018	4%	8%	8%
2017	2%	8%	8%
2016	2%	8%	8%
2015	2%	8%	8%

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

Download Full Town Data: Full Town Dataset XML | Full Town 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

98 Students

1,900 Students

% Black Students

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Black Student Percentage Trends
Year	Boulder, CO Avg	Colorado (CO)	National
2025	5%	3%	7%
2024	5%	3%	7%
2023	4%	3%	8%
2022	1%	2%	7%
2021	1%	2%	7%
2020	1%	3%	8%
2019	1%	3%	7%
2018	1%	2%	7%
2017	1%	3%	7%
2016	1%	3%	7%
2015	1%	3%	8%

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

Download Full Town Data: Full Town Dataset XML | Full Town 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

1,127 Students

33,658 Students

% White Students

57%

48%

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

White Student Percentage Trends
Year	Boulder, CO Avg	Colorado (CO)	National
2025	57%	48%	52%
2024	56%	48%	52%
2023	58%	48%	52%
2022	58%	47%	54%
2021	59%	47%	54%
2020	60%	47%	54%
2019	61%	48%	56%
2018	62%	45%	56%
2017	65%	46%	58%
2016	65%	46%	58%
2015	66%	50%	58%

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

Download Full Town Data: Full Town Dataset XML | Full Town 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

0 Students

65 Students

% Hawaiian Students

<1%

# Others Students

603 Students

26,143 Students

% of Others Students

31%

38%

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Other Races Student Percentage Trends
Year	Boulder, CO Avg	Colorado (CO)	National
2025	30%	37%	26%
2024	32%	37%	26%
2023	30%	38%	25%
2022	33%	39%	25%
2021	32%	39%	25%
2020	31%	38%	24%
2019	31%	38%	24%
2018	30%	42%	23%
2017	29%	40%	22%
2016	29%	40%	22%
2015	28%	36%	21%

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

Download Full Town Data: Full Town Dataset XML | Full Town 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

Academics

# Teachers

297 Teachers

6,360 Teachers

Average Student-Teacher Ratio

7:1

11:1

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Student-Teacher Ratio Trends (2015-2025)
Year	Boulder, CO Avg	Colorado (CO)	National
2025	7:1	11:1	11:1
2024	7:1	12:1	11:1
2023	7:1	12:1	11:1
2022	7:1	12:1	11:1
2021	7:1	12:1	11:1
2020	8:1	12:1	12:1
2019	7:1	12:1	12:1
2018	8:1	12:1	12:1
2017	8:1	12:1	12:1
2016	8:1	12:1	12:1
2015	9:1	12:1	12:1

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

Download Full Town Data: Full Town Dataset XML | Full Town 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

65%

57%

View Data

Percentage of Faculty With Advanced Degrees Trends (2016-2025)
Year	Boulder, CO Avg	Colorado (CO)	National
2025	65%	56%	55%
2024	64%	57%	54%
2023	64%	57%	54%
2022	67%	56%	54%
2021	82%	56%	54%
2020	79%	56%	54%
2019	78%	57%	53%
2018	76%	57%	53%
2017	66%	53%	53%
2016	67%	51%	52%

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

Download Full Town Data: Full Town Dataset XML | Full Town 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

14 students

15 students

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Class Size Trends (2015-2025)
Year	Boulder, CO Avg	Colorado (CO)	National
2025	14	15	15
2024	14	15	15
2023	14	15	15
2022	15	15	15
2021	15	15	15
2020	15	15	15
2019	15	15	15
2018	12	15	15
2017	12	15	15
2016	12	15	15
2015	13	15	15

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

Download Full Town Data: Full Town Dataset XML | Full Town 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

15 courses

12 courses

Tuition & Aid

Average Yearly Tuition Cost

$25,881

$13,959

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Tuition Cost Trends (2015-2025)
Year	Boulder, CO Avg	Colorado (CO)	National
2025	$25,657	$14,827	$15,012
2024	$25,303	$14,312	$14,622
2023	$22,256	$13,517	$14,057
2022	$22,040	$13,022	$13,504
2021	$20,933	$12,709	$13,232
2020	$20,556	$12,363	$12,915
2019	$20,181	$12,169	$12,656
2018	$19,412	$11,821	$12,363
2017	$18,783	$11,425	$12,049
2016	$16,330	$10,773	$11,633
2015	$15,858	$10,523	$11,174

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

Download Full Town Data: Full Town Dataset XML | Full Town 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 Summer Program Cost

$888

$1,579

Average % on Financial Aid

21%

29%

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Percent on Financial Aid Trends (2015-2025)
Year	Boulder, CO Avg	Colorado (CO)	National
2025	21%	29%	34%
2024	21%	28%	34%
2023	23%	28%	34%
2022	23%	28%	33%
2021	20%	28%	33%
2020	21%	29%	32%
2019	21%	29%	31%
2018	20%	29%	30%
2017	17%	29%	30%
2016	18%	29%	29%
2015	11%	28%	28%

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

Download Full Town Data: Full Town Dataset XML | Full Town 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

$7,400

$6,573

View Data

Financial Aid Grant Trends (2022-2025)
Year	Boulder, CO Avg	Colorado (CO)	National
2025	$7,400	$6,269	$7,073
2024	$6,800	$5,056	$6,930
2023	$6,800	$4,967	$6,469
2022	$6,800	$4,768	$6,289

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

Download Full Town Data: Full Town Dataset XML | Full Town 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.

Admissions & Athletics

Average Acceptance Rate

73%

88%

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Acceptance Rate Trends (2015-2025)
Year	Boulder, CO Avg	Colorado (CO)	National
2025	73%	84%	81%
2024	91%	91%	85%
2023	90%	91%	85%
2022	91%	90%	85%
2021	95%	90%	85%
2020	93%	90%	85%
2019	95%	91%	85%
2018	95%	90%	85%
2017	95%	91%	85%
2016	88%	91%	85%
2015	94%	92%	85%

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

Download Full Town Data: Full Town Dataset XML | Full Town 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 Extracurriculars

6 extracurriculars

7 extracurriculars

Average Number of Sports

3 sports

6 sports

Frequently Asked Questions

What are the top ranked private schools in Boulder, CO?

The private schools in Boulder, CO include Boulder Country Day, Mackintosh Academy Boulder, and Mt. Zion Lutheran Preschool.

How many private schools are located in Boulder?

21 private schools are located in Boulder.

How much do private schools cost in Boulder?

The average tuition cost is $25,881, which is higher than the Colorado private school average tuition cost of $13,959.

How diverse are private schools in Boulder?

Boulder private schools are approximately 24% minority students, which is lower than the Colorado private school average of 25%.

What percentage of students in Boulder go to private school?

14% of all K-12 students in Boulder are educated in private schools (compared to the CO state average of 8%).

What percentage of private schools are religiously affiliated in Boulder?

19% of private schools in Boulder are religiously affiliated (most commonly Lutheran Church Missouri Synod and Catholic).

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

Popular comparisons of private schools in Boulder include: Boulder Waldorf Kindergarten vs. Boulder Country Day, Bixby School vs. Boulder Country Day, Mapleton Montessori School vs. Jarrow Montessori School

Recent Articles

October 13, 2026

Should Your Child Stay at the Same Private School K–12?

Explore whether your child should attend the same private school from kindergarten through graduation, weighing academic continuity, friendships, changing needs, tuition costs, and opportunities at different educational stages.

October 13, 2026

When Your Child's Closest Friends Leave Private School

Learn how to support your child when close friends leave private school, manage loneliness, maintain friendships, encourage new connections, recognize emotional challenges, and decide when additional school support is needed.

October 13, 2026

When Your Child Doesn't Connect With Their Teacher

Discover when parents should intervene if their child struggles to connect with a private school teacher, including warning signs, communication strategies, classroom concerns, and practical steps toward improving relationships.