[+] Show Closed Private Schools in Ada County, Idaho

Ada County Private Schools (Closed)

Five Mile Montessori

Gr: PK-K | 14 students

Montessori School

1439 S Weideman Ave

Boise, ID 83709

(208) 322-8981

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Maranatha Christian School

Gr: K-6 | 66 students

Assembly of God

12000 W Fairview Ave

Boise, ID 83713

(208) 376-7272

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Vineyard Christian Academy

Gr: PK-8 | 108 students

Specialized Curriculum (Christian)

4950 N Bradley St

Garden City, ID 83714

(208) 562-4551

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Overview

Academics and Faculty:

# Teachers

672 Teachers

1,675 Teachers

Average Student-Teacher Ratio

12:1

13:1

View Data

Student-Teacher Ratio Trends (2015-2025)
Year	Ada County Average	Idaho (ID) Average	National Average
2025	12:1	13:1	11:1
2024	12:1	13:1	11:1
2023	12:1	13:1	11:1
2022	14:1	13:1	11:1
2021	14:1	13:1	11:1
2020	14:1	13:1	12:1
2019	14:1	12:1	12:1
2018	13:1	13:1	12:1
2017	14:1	13:1	12:1
2016	14:1	13:1	12:1
2015	14:1	13:1	12:1

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% Average Faculty w/Advanced Degree

68%

58%

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Percentage of Faculty With Advanced Degrees Trends (2015-2025)
Year	Ada County Average	Idaho (ID) Average	National Average
2025	66%	57%	55%
2024	57%	54%	54%
2023	54%	51%	54%
2022	54%	50%	54%
2021	61%	51%	54%
2020	44%	45%	54%
2019	40%	45%	53%
2018	47%	46%	53%
2017	47%	45%	53%
2016	49%	48%	52%
2015	55%	48%	52%

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Average Class Size

17 students

15 students

View Data

Class Size Trends (2015-2025)
Year	Ada County Average	Idaho (ID) Average	National Average
2025	17	15	15
2024	17	15	15
2023	17	14	15
2022	16	14	15
2021	17	14	15
2020	16	14	15
2019	16	14	15
2018	16	14	15
2017	15	13	15
2016	15	13	15
2015	15	12	15

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Average Number of AP Courses

18 courses

10 courses

Average SAT score

1249

(Out of 1600)

Average ACT score

(Out of 36)

Tuition and Acceptance Rate:

Average Yearly Tuition Cost

$10,973

$9,130

View Data

Tuition Cost Trends (2015-2025)
Year	Ada County Average	Idaho (ID) Average	National Average
2025	$15,522	$11,533	$15,012
2024	$14,720	$11,358	$14,622
2023	$13,411	$10,807	$14,057
2022	$12,935	$10,307	$13,504
2021	$12,935	$10,234	$13,232
2020	$12,935	$10,155	$12,915
2019	$12,935	$10,166	$12,656
2018	$11,466	$9,742	$12,363
2017	$11,133	$9,365	$12,049
2016	$10,376	$8,576	$11,633
2015	$10,026	$8,387	$11,174

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Average % on Financial Aid

17%

19%

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Percent on Financial Aid Trends (2015-2025)
Year	Ada County Average	Idaho (ID) Average	National Average
2025	16%	19%	34%
2024	18%	20%	34%
2023	22%	21%	34%
2022	22%	22%	33%
2021	22%	22%	33%
2020	21%	21%	32%
2019	20%	21%	31%
2018	20%	20%	30%
2017	20%	22%	30%
2016	17%	25%	29%
2015	17%	25%	28%

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Average Financial Aid Grant

$5,171

$3,626

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Financial Aid Grant Trends (2022-2025)
Year	Ada County Average	Idaho (ID) Average	National Average
2025	$5,171	$3,626	$7,073
2024	$5,600	$2,308	$6,930
2023	$2,600	$1,708	$6,469
2022	$2,600	$1,708	$6,289

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Average Acceptance Rate

91%

89%

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Acceptance Rate Trends (2015-2025)
Year	Ada County Average	Idaho (ID) Average	National Average
2025	82%	87%	81%
2024	88%	89%	85%
2023	87%	89%	85%
2022	86%	90%	85%
2021	86%	91%	85%
2020	87%	91%	85%
2019	86%	91%	85%
2018	88%	90%	85%
2017	87%	90%	85%
2016	87%	90%	85%
2015	89%	90%	85%

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Average Endowment Size

$9 million

$ million

Students by Ethnicity:

0.54

0.55

View Data

Diversity Score Trends
Year	Ada County Average	Idaho (ID) Average	National Average
2025	0.54	0.55	0.65
2024	0.55	0.55	0.65
2023	0.56	0.56	0.65
2022	0.55	0.55	0.64
2021	0.55	0.55	0.64
2020	0.51	0.52	0.64
2019	0.52	0.52	0.63
2018	0.51	0.52	0.63
2017	0.51	0.51	0.61
2016	0.50	0.50	0.61
2015	0.50	0.51	0.61

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# American Indian Students

21 Students

92 Students

% American Indian Students

n/a

# Asian Students

195 Students

459 Students

% Asian Students

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

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# Hispanic Students

403 Students

1,063 Students

% Hispanic Students

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Hispanic Student Percentage Trends
Year	Ada County Average	Idaho (ID) Average	National Average
2025	5%	5%	9%
2024	5%	5%	9%
2023	3%	4%	9%
2022	3%	4%	8%
2021	3%	4%	9%
2020	3%	4%	9%
2019	4%	5%	8%
2018	4%	5%	8%
2017	4%	4%	8%
2016	3%	4%	8%
2015	3%	4%	8%

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# Black Students

109 Students

383 Students

% Black Students

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Black Student Percentage Trends
Year	Ada County Average	Idaho (ID) Average	National Average
2025	1%	2%	7%
2024	1%	2%	7%
2023	1%	2%	8%
2022	2%	1%	7%
2021	2%	1%	7%
2020	2%	2%	8%
2019	2%	2%	7%
2018	2%	2%	7%
2017	1%	1%	7%
2016	2%	1%	7%
2015	1%	1%	8%

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# White Students

4,976 Students

12,965 Students

% White Students

61%

60%

View Data

White Student Percentage Trends
Year	Ada County Average	Idaho (ID) Average	National Average
2025	61%	60%	52%
2024	61%	60%	52%
2023	57%	57%	52%
2022	59%	59%	54%
2021	59%	59%	54%
2020	66%	64%	54%
2019	65%	64%	56%
2018	65%	64%	56%
2017	65%	65%	58%
2016	66%	66%	58%
2015	66%	65%	58%

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# Hawaiian Students

20 Students

50 Students

% Hawaiian Students

n/a

# Two or more races Students

n/a

% of Two or more races Students

n/a

# Others Students

2,434 Students

6,495 Students

% of Others Students

30%

View Data

Other Races Student Percentage Trends
Year	Ada County Average	Idaho (ID) Average	National Average
2025	30%	31%	26%
2024	29%	31%	26%
2023	34%	34%	25%
2022	33%	33%	25%
2021	33%	33%	25%
2020	26%	26%	24%
2019	25%	25%	24%
2018	25%	25%	23%
2017	27%	27%	22%
2016	26%	26%	22%
2015	26%	27%	21%

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All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars

15 extracurriculars

7 extracurriculars

Average Number of Sports

11 sports

6 sports

Frequently Asked Questions

What are the top ranked private schools in Ada County, ID?

The private schools in Ada County, ID include The Ambrose School, Riverstone International School, and Sacred Heart Catholic School.

How many private schools are located in Ada County?

46 private schools are located in Ada County.

How much do private schools cost in Ada County?

The average tuition cost is $10,973, which is higher than the Idaho private school average tuition cost of $9,130.

How diverse are private schools in Ada County?

Ada County private schools are approximately 14% minority students, which is lower than the Idaho private school average of 15%.

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

9% of all K-12 students in Ada County are educated in private schools (compared to the ID state average of 6%).

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

44% of private schools in Ada County are religiously affiliated (most commonly Christian and Catholic).

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

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