[+] Show Closed Private Schools in Boulder County, Colorado

Overview

Academics and Faculty:

# Teachers

448 Teachers

4,782 Teachers

Average Student-Teacher Ratio

7:1

10:1

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Student-Teacher Ratio Trends (2015-2025)
Year	Boulder County Average	Colorado (CO) Average	National Average
2025	7:1	10:1	11:1
2024	7:1	10:1	11:1
2023	8:1	11:1	11:1
2022	8:1	10:1	11:1
2021	9:1	11:1	11:1
2020	9:1	11:1	11:1
2019	9:1	11:1	11:1
2018	9:1	11:1	11:1
2017	9:1	12:1	11:1
2016	9:1	12:1	12:1
2015	11:1	11:1	12:1

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% Average Faculty w/Advanced Degree

45%

55%

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Percentage of Faculty With Advanced Degrees Trends (2015-2025)
Year	Boulder County Average	Colorado (CO) Average	National Average
2025	45%	55%	54%
2024	48%	55%	54%
2023	55%	55%	53%
2022	52%	55%	53%
2021	57%	55%	53%
2020	61%	54%	53%
2019	62%	54%	52%
2018	65%	54%	52%
2017	62%	51%	51%
2016	66%	47%	51%
2015	65%	47%	50%

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Average Class Size

13 students

15 students

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Class Size Trends (2015-2025)
Year	Boulder County Average	Colorado (CO) Average	National Average
2025	13	15	16
2024	12	15	15
2023	12	15	15
2022	12	15	15
2021	13	15	15
2020	13	15	15
2019	13	15	15
2018	13	15	15
2017	12	15	15
2016	12	15	15
2015	13	14	15

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Average Number of AP Courses

15 courses

12 courses

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Trends in Average Number of AP Courses Offered
Year	Boulder County Average	Colorado (CO) Average	National Average
2025	16	12	12
2024	16	12	11
2023	16	13	10
2022	16	13	10
2021	16	12	10
2020	16	12	10
2019	13	12	10
2018	13	12	10
2017	13	10	10
2016	13	10	9
2015	13	9	9

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Average SAT score

1385

(Out of 1600)

1268

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SAT Score Trends (2024-2025)
Year	Boulder County Average	Colorado (CO) Average	National Average
2025	1218	1250	1236
2024	1218	1246	1233

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Average ACT score

(Out of 36)

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ACT Score Trends (2015-2025)
Year	Boulder County Average	Colorado (CO) Average	National Average
2025	31	25	26
2024	31	26	26
2020	27	26	26
2019	27	26	26
2018	27	25	25
2017	27	25	25
2016	27	24	25
2015	27	24	25

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Tuition and Acceptance Rate:

Average Yearly Tuition Cost

$20,416

$13,047

View Data

Tuition Cost Trends (2015-2025)
Year	Boulder County Average	Colorado (CO) Average	National Average
2025	$20,055	$13,216	$14,043
2024	$18,027	$12,469	$12,357
2023	$15,785	$11,735	$11,693
2022	$15,672	$11,362	$11,199
2021	$14,496	$10,907	$10,824
2020	$14,475	$10,196	$10,496
2019	$13,825	$9,668	$10,300
2018	$13,112	$9,493	$10,056
2017	$12,464	$8,769	$9,712
2016	$12,713	$8,027	$9,307
2015	$12,855	$8,073	$8,903

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Average Summer Program Cost

$1,517

$906

View Data

Summer Program Cost Trends (2024-2025)
Year	Boulder County Average	Colorado (CO) Average	National Average
2025	$2,025	$935	$1,115
2024	$1,683	$1,014	$1,094

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Average % on Financial Aid

23%

30%

View Data

Percent on Financial Aid Trends (2015-2025)
Year	Boulder County Average	Colorado (CO) Average	National Average
2025	23%	30%	34%
2024	23%	29%	33%
2023	25%	29%	33%
2022	25%	28%	32%
2021	23%	27%	32%
2020	24%	28%	31%
2019	24%	29%	30%
2018	24%	27%	29%
2017	22%	28%	29%
2016	27%	30%	28%
2015	22%	28%	27%

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Average Financial Aid Grant

$4,744

$5,725

View Data

Financial Aid Grant Trends (2015-2025)
Year	Boulder County Average	Colorado (CO) Average	National Average
2025	$4,850	$5,498	$6,227
2024	$3,728	$4,361	$6,113
2023	$4,205	$4,393	$5,785
2022	$4,205	$3,989	$5,514
2021	$3,728	$3,719	$5,269
2020	$2,486	$3,520	$5,141
2019	$2,486	$3,003	$5,007
2018	$2,914	$2,928	$4,752
2017	$2,650	$2,256	$4,582
2016	$4,620	$2,558	$4,396
2015	$4,183	$2,457	$4,230

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Average Acceptance Rate

74%

85%

View Data

Acceptance Rate Trends (2015-2025)
Year	Boulder County Average	Colorado (CO) Average	National Average
2025	74%	84%	81%
2024	85%	89%	85%
2023	84%	89%	85%
2022	84%	88%	85%
2021	86%	88%	86%
2020	82%	87%	86%
2019	86%	88%	85%
2018	87%	88%	85%
2017	90%	89%	86%
2016	83%	89%	85%
2015	89%	90%	86%

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Average Endowment Size

$4 million

$30.53 million

View Data

Endowment Trends (2020-2025)
Year	Boulder County Average	Colorado (CO) Average	National Average
2025	$4 M	$29 M	$33 M
2024	$4 M	$20 M	$24 M
2023	$4 M	$19 M	$24 M
2022	$4 M	$19 M	$24 M
2021	$4 M	$19 M	$23 M
2020	$4 M	$17 M	$21 M

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Students by Ethnicity:

0.47

0.59

View Data

Diversity Score Trends
Year	Boulder County Average	Colorado (CO) Average	National Average
2025	0.48	0.60	0.64
2024	0.47	0.60	0.64
2023	0.52	0.61	0.63
2022	0.52	0.60	0.62
2021	0.52	0.60	0.62
2020	0.52	0.60	0.62
2019	0.49	0.60	0.61
2018	0.49	0.62	0.60
2017	0.48	0.61	0.59
2016	0.45	0.61	0.59
2015	0.47	0.58	0.58

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# American Indian Students

8 Students

324 Students

% American Indian Students

n/a

View Data

Percentage of Private Elementary School Students of American Indian Trends
Year	Boulder County Average	Colorado (CO) Average	National Average
2017	2%	1%	1%
2016	2%	1%	1%
2015	1%	1%	1%

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# Asian Students

79 Students

1,210 Students

% Asian Students

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

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# Hispanic Students

233 Students

4,634 Students

% Hispanic Students

10%

View Data

Hispanic Student Percentage Trends
Year	Boulder County Average	Colorado (CO) Average	National Average
2025	7%	10%	9%
2024	7%	10%	9%
2023	7%	10%	9%
2022	7%	11%	8%
2021	7%	11%	9%
2020	8%	10%	9%
2019	6%	10%	8%
2018	6%	10%	8%
2017	4%	9%	8%
2016	4%	9%	8%
2015	4%	10%	8%

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# Black Students

121 Students

1,489 Students

% Black Students

View Data

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

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# White Students

2,218 Students

27,089 Students

% White Students

71%

58%

View Data

White Student Percentage Trends
Year	Boulder County Average	Colorado (CO) Average	National Average
2025	70%	57%	55%
2024	71%	58%	55%
2023	66%	56%	55%
2022	66%	56%	57%
2021	66%	56%	57%
2020	66%	57%	58%
2019	68%	57%	59%
2018	68%	53%	59%
2017	68%	54%	61%
2016	71%	53%	61%
2015	69%	60%	61%

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# Hawaiian Students

n/a

38 Students

% Hawaiian Students

n/a

# Two or more races Students

n/a

% of Two or more races Students

n/a

# Others Students

466 Students

12,017 Students

% of Others Students

15%

26%

View Data

Other Races Student Percentage Trends
Year	Boulder County Average	Colorado (CO) Average	National Average
2025	16%	26%	22%
2024	15%	25%	22%
2023	21%	27%	22%
2022	22%	26%	22%
2021	23%	26%	20%
2020	22%	26%	19%
2019	21%	26%	20%
2018	22%	31%	20%
2017	23%	31%	19%
2016	20%	32%	18%
2015	23%	23%	18%

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All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars

6 extracurriculars

7 extracurriculars

Average Number of Sports

4 sports

6 sports

Frequently Asked Questions

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

The private elementary schools in Boulder County, CO include Bixby School, Boulder Country Day, and Sacred Heart Of Jesus School.

How many private elementary schools are located in Boulderunty?

24 private elementary schools are located in Boulderunty.

How much do private elementary schools cost in Boulderunty?

The average tuition cost is $20,416, which is higher than the Colorado private school average tuition cost of $13,047.

How diverse are private elementary schools in Boulderunty?

Boulderunty private elementary schools are approximately 20% minority students, which is lower than the Colorado private school average of 24%.

What percentage of private elementary schools are religiously affiliated in Boulderunty?

35% of private elementary schools in Boulderunty are religiously affiliated (most commonly Christian and Catholic).

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

Popular comparisons of private elementary schools in Boulderunty include: Bixby School vs. Boulder Country Day, Transitional School vs. Dawson School, Transitional School vs. Crossroads School

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Year	Boulder County Average	Colorado (CO) Average	National Average
2025	125	190	199
2024	118	180	192
2023	143	185	193
2022	159	192	205
2021	159	189	201
2020	153	179	188
2019	154	182	193
2018	146	192	190
2017	151	196	199
2016	140	194	196
2015	147	164	183

Quick Facts (2026-27)

Quick Facts (2026-27)

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

Boulder 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

SAT Score Trends (2024-2025)

ACT Score Trends (2015-2025)

Tuition and Acceptance Rate:

Tuition Cost Trends (2015-2025)

Summer Program Cost Trends (2024-2025)

Percent on Financial Aid Trends (2015-2025)

Financial Aid Grant Trends (2015-2025)

Acceptance Rate Trends (2015-2025)

Endowment Trends (2020-2025)

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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Quick Links

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Best Boulder County Private Elementary Schools (2026-27)

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

Boulder 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

SAT Score Trends (2024-2025)

ACT Score Trends (2015-2025)

Tuition and Acceptance Rate:

Tuition Cost Trends (2015-2025)

Summer Program Cost Trends (2024-2025)

Percent on Financial Aid Trends (2015-2025)

Financial Aid Grant Trends (2015-2025)

Acceptance Rate Trends (2015-2025)

Endowment Trends (2020-2025)

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