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Best Idaho Falls Private Schools (2026)

For the 2026 school year, there are 8 private schools serving 1,106 students in Idaho Falls, ID (there are 53 public schools, serving 25,625 public students). 4% of all K-12 students in Idaho Falls, ID are educated in private schools (compared to the ID state average of 6%).

The private schools in Idaho Falls, ID include Watersprings School, Holy Rosary Catholic School, and Hope Lutheran School.

50% of private schools in Idaho Falls, ID are religiously affiliated (most commonly Seventh Day Adventist and Christian).

Holy Rosary Catholic School Photo - It's a GREAT day at Holy Rosary!

Top-Ranked Idaho Falls Private Schools (2026)

School

Location

Quick Facts

Holy Rosary Catholic School

(Catholic)

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161 9th St
Idaho Falls, ID 83404
(208) 522-7781

Gr: PK-6 | 175 students Avg. class size: 20 students Extracurrculars: 7 Tuition listed

Hope Lutheran School

(Lutheran Church Missouri Synod)

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(1)

2071 12th Street
Idaho Falls, ID 83404
(208) 529-8080

Gr: PK-6 | 65 students Avg. class size: 12 students Sports: 4 Tuition listed

Watersprings School

(Christian)

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(1)

4250 South 25th East
Idaho Falls, ID 83404
(208) 542-6250

Gr: PK-12 | 396 students Avg. class size: 16 students Sports: 7 Tuition listed

Acorn Childrens Academy

Daycare / Preschool

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1619 Curlew Dr Ste 2
Idaho Falls, ID 83406
(208) 569-4694

Gr: PK-K | 140 students

Idaho Falls Adventist School

(Seventh Day Adventist)

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802 Westhill Ave
Idaho Falls, ID 83402
(208) 528-8582

Gr: 1-8 | 7 students

Lighthouse Montessori School

Montessori School

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(1)

756 S. Foothill Dr.
Idaho Falls, ID 83401
(208) 523-7315

Gr: PK-6 | 91 students Avg. class size: 15 students Sports: 1 Tuition listed

Little Peoples Academy

Daycare / Preschool

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(2)

543 N Ridge Ave
Idaho Falls, ID 83402
(208) 523-7615

Gr: PK-K | 101 students

Snake River Montessori School

Montessori School

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2970 1st St
Idaho Falls, ID 83401
(208) 524-4730

Gr: PK-6 | 131 students Avg. class size: 25 students Extracurrculars: 3 Tuition listed

Overview

This Town (Idaho Falls)

This State (ID)

# Schools

8 Schools

View Data

Trends in Total Number of Private Schools
Year	Idaho Falls, ID Total Schools
2025	8
2024	8
2023	7
2022	7
2021	7
2020	8
2019	8
2018	8
2017	7
2016	8
2015	9

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Student Body:

# Students

1,106 Students

21,742 Students

View Data

Trends in the Average Number of Students Per Private School
Year	Idaho Falls, ID Average	Idaho (ID) Average	National Average
2025	148	138	179
2024	148	134	172
2023	146	128	174
2022	140	128	185
2021	136	124	180
2020	114	111	171
2019	113	113	175
2018	114	112	172
2017	129	118	180
2016	113	116	178
2015	117	107	167

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% Average Students of Color

22%

15%

View Data

Percentage of Students of Color Trends (2015-2025)
Year	Idaho Falls, ID Average	Idaho (ID) Average	National Average
2025	22%	15%	34%
2024	22%	15%	34%
2023	17%	15%	33%
2022	15%	13%	33%
2021	15%	14%	32%
2020	16%	13%	32%
2019	16%	14%	31%
2018	14%	14%	31%
2017	19%	14%	32%
2016	20%	14%	32%
2015	21%	14%	32%

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Academics and Faculty:

# Teachers

56 Teachers

1,687 Teachers

Average Student-Teacher Ratio

20:1

13:1

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Student-Teacher Ratio Trends (2015-2025)
Year	Idaho Falls, ID Average	Idaho (ID) Average	National Average
2025	23:1	13:1	11:1
2024	23:1	13:1	11:1
2023	16:1	13:1	11:1
2022	16:1	13:1	11:1
2021	15:1	13:1	11:1
2020	14:1	13:1	12:1
2019	13:1	12:1	12:1
2018	13:1	13:1	12:1
2017	13:1	13:1	12:1
2016	12:1	13:1	12:1
2015	15:1	13:1	12:1

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% Average Faculty w/Advanced Degree

48%

57%

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

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Average Class Size

18 students

15 students

View Data

Class Size Trends (2015-2025)
Year	Idaho Falls, ID Average	Idaho (ID) Average	National Average
2025	18	15	15
2024	18	15	15
2023	18	14	15
2022	18	14	15
2021	16	14	15
2020	16	14	15
2019	16	14	15
2018	14	14	15
2017	14	13	15
2016	11	13	15
2015	10	12	15

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Tuition and Acceptance Rate:

Average Yearly Tuition Cost

$35,048

$10,999

View Data

Tuition Cost Trends (2019-2025)
Year	Idaho Falls, ID Average	Idaho (ID) Average	National Average
2025	$35,048	$11,533	$15,012
2024	$35,048	$8,818	$13,254
2023	$35,048	$8,697	$12,626
2022	$35,048	$8,375	$12,187
2021	$35,048	$8,233	$11,800
2020	$35,048	$8,323	$11,512
2019	$35,048	$8,501	$11,293

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Average Summer Program Cost

$66,500

$13,665

View Data

Summer Program Cost Trends (2019-2025)
Year	Idaho Falls, ID Average	Idaho (ID) Average	National Average
2025	$66,500	$13,665	$1,152
2024	$66,500	$22,208	$1,128
2023	$66,500	$22,208	$1,156
2022	$66,500	$22,208	$1,102
2021	$66,500	$22,208	$1,125
2020	$66,500	$22,208	$1,217
2019	$66,500	$22,208	$1,305

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Average % on Financial Aid

19%

View Data

Percent on Financial Aid Trends (2015-2025)
Year	Idaho Falls, ID Average	Idaho (ID) Average	National Average
2025	3%	19%	34%
2024	3%	20%	34%
2023	3%	21%	34%
2022	3%	22%	33%
2021	3%	22%	33%
2020	3%	21%	32%
2019	3%	21%	31%
2018	6%	20%	30%
2017	6%	22%	30%
2016	29%	25%	29%
2015	29%	25%	28%

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Students by Ethnicity:

0.61

0.55

View Data

Diversity Score Trends
Year	Idaho Falls, ID Average	Idaho (ID) Average	National Average
2025	0.61	0.55	0.65
2024	0.61	0.55	0.65
2023	0.59	0.56	0.65
2022	0.58	0.55	0.64
2021	0.58	0.55	0.64
2020	0.55	0.52	0.64
2019	0.54	0.52	0.63
2018	0.54	0.52	0.63
2017	0.55	0.51	0.61
2016	0.55	0.50	0.61
2015	0.51	0.51	0.61

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# American Indian Students

2 Students

92 Students

% American Indian Students

n/a

# Asian Students

26 Students

459 Students

% Asian Students

View Data

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

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# Hispanic Students

101 Students

1,063 Students

% Hispanic Students

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Hispanic Student Percentage Trends
Year	Idaho Falls, ID Average	Idaho (ID) Average	National Average
2025	9%	5%	9%
2024	9%	5%	9%
2023	6%	4%	9%
2022	5%	4%	8%
2021	6%	4%	9%
2020	7%	4%	9%
2019	6%	5%	8%
2018	6%	5%	8%
2017	5%	4%	8%
2016	5%	4%	8%
2015	4%	4%	8%

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# Black Students

11 Students

383 Students

% Black Students

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Black Student Percentage Trends
Year	Idaho Falls, ID Average	Idaho (ID) Average	National Average
2025	1%	2%	7%
2024	1%	2%	7%
2023	1%	2%	8%
2022	1%	1%	7%
2021	1%	1%	7%
2020	1%	2%	8%
2019	1%	2%	7%
2018	1%	2%	7%

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# White Students

549 Students

12,965 Students

% White Students

50%

60%

View Data

White Student Percentage Trends
Year	Idaho Falls, ID Average	Idaho (ID) Average	National Average
2025	46%	60%	52%
2024	46%	60%	52%
2023	51%	57%	52%
2022	53%	59%	54%
2021	55%	59%	54%
2020	61%	64%	54%
2019	62%	64%	56%
2018	62%	64%	56%
2017	36%	65%	58%
2016	36%	66%	58%
2015	31%	65%	58%

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# Hawaiian Students

2 Students

50 Students

% Hawaiian Students

n/a

# Two or more races Students

n/a

% of Two or more races Students

n/a

# Others Students

415 Students

6,527 Students

% of Others Students

38%

30%

View Data

Other Races Student Percentage Trends
Year	Idaho Falls, ID Average	Idaho (ID) Average	National Average
2025	42%	31%	26%
2024	42%	31%	26%
2023	38%	34%	25%
2022	37%	33%	25%
2021	35%	33%	25%
2020	27%	26%	24%
2019	27%	25%	24%
2018	28%	25%	23%
2017	57%	27%	22%
2016	57%	26%	22%
2015	63%	27%	21%

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All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars

5 extracurriculars

7 extracurriculars

Average Number of Sports

4 sports

6 sports

Frequently Asked Questions

What are the top-ranked private schools in Idaho Falls, ID?

The private schools in Idaho Falls, ID include Watersprings School, Holy Rosary Catholic School, and Hope Lutheran School.

How many private schools are located in Idaho Falls?

8 private schools are located in Idaho Falls.

How diverse are private schools in Idaho Falls?

Idaho Falls private schools are approximately 22% minority students, which is higher than the Idaho private school average of 15%.

What percentage of students in Idaho Falls go to private school?

4% of all K-12 students in Idaho Falls are educated in private schools (compared to the ID state average of 6%).

What percentage of private schools are religiously affiliated in Idaho Falls?

50% of private schools in Idaho Falls are religiously affiliated (most commonly Seventh Day Adventist and Christian).

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

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