Idaho Private School Trends (10-Year)

167

Private Schools

+12.8% (+19 schools) 10-yr

21,634

Students

+39.8% (+6,157 students) 10-yr

$9,130

Avg. Tuition

+8.9% (+$743) 10-yr

Avg. Class Size

+25.0% (+3 students) 10-yr

15%

Students of Color

+7.1% (+1.0 pp) 10-yr

13:1

Student-Teacher Ratio

Enrollment & Diversity

Trends in Total Number of Private Schools

Year	Idaho (ID) Total	US Avg per State
2025	167	671
2024	169	703
2023	151	665
2022	141	612
2021	145	637
2020	152	684
2019	139	665
2018	142	677
2017	125	631
2016	132	644
2015	148	683

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Private schools up 35 in Idaho, rising from 132 in 2016 to 167 in 2025.

# Students

21,634 Students

111,542 Students
avg. per state

View Largest Idaho Private Schools

View Data

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

Trends in Total Number of Private School Students

Year	Idaho (ID) Total	US Avg per State
2025	21,975	111,945
2024	22,167	113,628
2023	19,009	108,484
2022	17,742	104,892
2021	17,765	106,817
2020	16,524	109,411
2019	15,229	108,956
2018	15,488	109,868
2017	14,148	106,255
2016	14,722	107,443
2015	15,477	108,505

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Private enrollment up 7,253 in Idaho, rising from 14,722 students in 2016 to 21,975 in 2025.

View Data

Distribution of Students By Grade Trends

Grade	Idaho
Nursery	343
Pre-K	3,710
Kind	2,157
1	1,488
2	1,458
3	1,400
4	1,371
5	1,415
6	1,357
7	1,396
8	1,214
9	1,144
10	1,110
11	973
12	1,009
Not Listed	89

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Pre-K has the most students with 3,710 in Idaho private schools, far more than any other grade.

Average School Size

138 Students

179 Students

View Data

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

Trends in Average School Size

Year	Idaho (ID) Avg	National
2025	138	179
2024	134	172
2023	128	174
2022	128	185
2021	124	180
2020	111	171
2019	113	175
2018	112	172
2017	118	180
2016	116	178
2015	107	167

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% Average Students of Color

15%

34%

View Data

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

Percentage of Students of Color Trends (2015-2025)

Year	Idaho (ID) Avg	National
2025	15%	34%
2024	15%	34%
2023	15%	33%
2022	13%	33%
2021	14%	32%
2020	13%	32%
2019	14%	31%
2018	14%	31%
2017	14%	32%
2016	14%	32%
2015	14%	32%

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Students of color up 1 point in Idaho private schools, from 14% in 2016 to 15% in 2025.

Academics

# Teachers

1,679 Teachers

509,285 Teachers

Average Student-Teacher Ratio

13:1

11:1

View Data

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

Student-Teacher Ratio Trends (2015-2025)

Year	Idaho (ID) Avg	National
2025	13:1	11:1
2024	13:1	11:1
2023	13:1	11:1
2022	13:1	11:1
2021	13:1	11:1
2020	13:1	12:1
2019	12:1	12:1
2018	13:1	12:1
2017	13:1	12:1
2016	13:1	12:1
2015	13:1	12:1

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% Average Faculty w/Advanced Degree

58%

55%

View Idaho Private Schools with the Most Educated Faculty

View Data

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

Percentage of Faculty With Advanced Degrees Trends (2015-2025)

Year	Idaho (ID) Avg	National
2025	57%	55%
2024	54%	54%
2023	51%	54%
2022	50%	54%
2021	51%	54%
2020	45%	54%
2019	45%	53%
2018	46%	53%
2017	45%	53%
2016	48%	52%
2015	48%	52%

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Average Class Size

15 students

16 students

View Data

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

Class Size Trends (2015-2025)

Year	Idaho (ID) Avg	National
2025	15	15
2024	15	15
2023	14	15
2022	14	15
2021	14	15
2020	14	15
2019	14	15
2018	14	15
2017	13	15
2016	13	15
2015	12	15

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Average Number of AP Courses

10 courses

13 courses

Tuition & Aid

Average Yearly Tuition Cost

$9,130

$13,770

View Idaho Private Schools By Tuition Cost

View Data

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

Tuition Cost Trends (2015-2025)

Year	Idaho (ID) Avg	National
2025	$11,533	$15,012
2024	$11,358	$14,622
2023	$10,807	$14,057
2022	$10,307	$13,504
2021	$10,234	$13,232
2020	$10,155	$12,915
2019	$10,166	$12,656
2018	$9,742	$12,363
2017	$9,365	$12,049
2016	$8,576	$11,633
2015	$8,387	$11,174

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Tuition cost up 35% in Idaho private schools, rising from $8,576 in 2016 to $11,533 in 2025.

Average % on Financial Aid

19%

35%

View Data

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

Percent on Financial Aid Trends (2015-2025)

Year	Idaho (ID) Avg	National
2025	19%	34%
2024	20%	34%
2023	21%	34%
2022	22%	33%
2021	22%	33%
2020	21%	32%
2019	21%	31%
2018	20%	30%
2017	22%	30%
2016	25%	29%
2015	25%	28%

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Average Financial Aid Grant

$3,626

$7,641

View Data

Financial Aid Grant Trends (2022-2025)

Year	Idaho (ID) Avg	National
2025	$3,626	$7,073
2024	$2,308	$6,930
2023	$1,708	$6,469
2022	$1,708	$6,289

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Average Acceptance Rate

89%

85%

View Most Selective Private Schools in Idaho

View Data

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

Acceptance Rate Trends (2015-2025)

Year	Idaho (ID) Avg	National
2025	87%	81%
2024	89%	85%
2023	89%	85%
2022	90%	85%
2021	91%	85%
2020	91%	85%
2019	91%	85%
2018	90%	85%
2017	90%	85%
2016	90%	85%
2015	90%	85%

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Students by Ethnicity

0.55

0.65

View Idaho Private Schools Minority Statistics

View Data

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

Diversity Score Trends

Year	Idaho (ID) Avg	National
2025	0.55	0.65
2024	0.55	0.65
2023	0.56	0.65
2022	0.55	0.64
2021	0.55	0.64
2020	0.52	0.64
2019	0.52	0.63
2018	0.52	0.63
2017	0.51	0.61
2016	0.50	0.61
2015	0.51	0.61

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Diversity score rose slightly in Idaho private schools, from 0.50 in 2016 to 0.55 in 2025, while the national score increased from 0.61 to 0.65.

# American Indian Students

92 Students

29,812 Students

% American Indian Students

View Data

Percentage of Private School Students of American Indian Trends

Year	Idaho (ID) Avg	National
2021	1%	1%
2020	1%	1%
2019	1%	1%
2018	1%	2%
2017	1%	1%
2016	1%	1%
2015	1%	1%

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# Asian Students

459 Students

264,402 Students

% Asian Students

View Data

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

Asian Student Percentage Trends

Year	Idaho (ID) Avg	National
2025	2%	5%
2024	2%	5%
2023	3%	5%
2022	3%	4%
2021	2%	4%
2020	3%	4%
2019	3%	4%
2018	3%	4%
2017	2%	4%
2016	2%	4%
2015	2%	4%

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# Hispanic Students

1,063 Students

506,581 Students

% Hispanic Students

View Data

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

Hispanic Student Percentage Trends

Year	Idaho (ID) Avg	National
2025	5%	9%
2024	5%	9%
2023	4%	9%
2022	4%	8%
2021	4%	9%
2020	4%	9%
2019	5%	8%
2018	5%	8%
2017	4%	8%
2016	4%	8%
2015	4%	8%

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# Black Students

383 Students

415,550 Students

% Black Students

View Data

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

Black Student Percentage Trends

Year	Idaho (ID) Avg	National
2025	2%	7%
2024	2%	7%
2023	2%	8%
2022	1%	7%
2021	1%	7%
2020	2%	8%
2019	2%	7%
2018	2%	7%
2017	1%	7%
2016	1%	7%
2015	1%	8%

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Black students held at 2% in Idaho private schools in 2024-25, while the national share was 7%.

# White Students

12,965 Students

2,927,298 Students

% White Students

60%

52%

View Data

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

White Student Percentage Trends

Year	Idaho (ID) Avg	National
2025	60%	52%
2024	60%	52%
2023	57%	52%
2022	59%	54%
2021	59%	54%
2020	64%	54%
2019	64%	56%
2018	64%	56%
2017	65%	58%
2016	66%	58%
2015	65%	58%

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White share down 6 points in Idaho private schools, from 66% in 2016 to 60% in 2025.

# Hawaiian Students

50 Students

20,065 Students

% Hawaiian Students

<1%

# Others Students

6,517 Students

1,473,807 Students

% of Others Students

30%

26%

View Data

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

Other Races Student Percentage Trends

Year	Idaho (ID) Avg	National
2025	31%	26%
2024	31%	26%
2023	34%	25%
2022	33%	25%
2021	33%	25%
2020	26%	24%
2019	25%	24%
2018	25%	23%
2017	27%	22%
2016	26%	22%
2015	27%	21%

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Other-race share up 5 points in Idaho private schools, rising from 26% in 2016 to 31% in 2025.

All Ethnic Groups

Extracurriculars & Sports

Average Number of Extracurriculars

7 extracurriculars

9 extracurriculars

Average Number of Sports

6 sports

7 sports

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Frequently Asked Questions

What are the top ranked private schools in Idaho?

The top-ranked private schools in Idaho include The Ambrose School, Nampa Christian Schools, and Riverstone International School.

How many private schools are located in Idaho?

There are 167 private schools are located in Idaho.

How much do private schools cost in Idaho?

The average private school tuition in Idaho is $9,323 for elementary schools and $10,830 for high schools

How diverse are private schools in Idaho?

Approximately 15% of students in Idaho private schools are minority students (compared to the national percentage).

What percentage of students in Idaho go to private school?

6% of all K-12 students in Idaho attend private schools (compared to the national average of 10%).

What percentage of private schools are religiously affiliated in Idaho?

62% of private schools in Idaho are religiously affiliated, with most being Christian or Catholic.

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

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