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Best Waterloo Private High Schools (2026)

For the 2026 school year, there is 1 private high school serving 247 students in Waterloo, IA.

100% of private high schools in Waterloo, IA are religiously affiliated (most commonly Catholic).

Private High Schools in Waterloo, IA (2026)

School

Location

Quick Facts

Columbus Catholic High School

(Catholic)

3231 W 9th St
Waterloo, IA 50702
(319) 232-1422

Gr: 9-12 | 247 students Avg. class size: 18 students

[+] Show Closed Private Schools in Waterloo, Iowa

Waterloo, Iowa Private Schools (Closed)

School

Location

Quick Facts

Queen Of Peace (Closed 2006)

(Catholic)

127 E Parker Street
Waterloo, IA 50703
(319) 232-2418

Gr: PK-8 | 134 students

Sacred Heart School (Closed 2016)

(Catholic)

620 W 5th St
Waterloo, IA 50702
(319) 234-6593

Gr: NS-5 | 171 students

St. John St. Nicholas School (Closed 2000)

(Catholic)

1729 Mulberry St
Waterloo, IA 50703
(319) 234-6665

Gr: PK-8 | 181 students

Overview

This Town (Waterloo)

This State (IA)

# Schools

1 School

View Data

Trends in Total Number of Private High Schools
Year	Waterloo, IA Total Schools
2025	1
2024	2
2023	2
2022	2
2021	2
2020	2
2019	2
2018	2
2017	2
2016	2
2015	2

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Student Body:

# Students

247 Students

25,939 Students

View Data

Trends in the Average Number of Students Per Private High School
Year	Waterloo, IA Average	Iowa (IA) Average	National Average
2025	247	337	253
2024	245	331	245
2023	528	252	247
2022	512	287	257
2021	512	279	249
2020	512	273	235
2019	231	267	242
2018	231	267	238
2017	231	257	246
2016	231	253	241
2015	231	244	220

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% Average Students of Color

27%

14%

View Data

Percentage of Students of Color Trends (2015-2025)
Year	Waterloo, IA Average	Iowa (IA) Average	National Average
2025	27%	14%	32%
2024	20%	14%	31%
2023	30%	17%	31%
2022	35%	15%	30%
2021	35%	15%	30%
2020	35%	14%	29%
2019	17%	12%	29%
2018	17%	12%	28%
2017	19%	12%	30%
2016	19%	12%	30%
2015	19%	10%	30%

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Academics and Faculty:

# Teachers

19 Teachers

2,346 Teachers

Average Student-Teacher Ratio

13:1

11:1

View Data

Student-Teacher Ratio Trends (2015-2025)
Year	Waterloo, IA Average	Iowa (IA) Average	National Average
2025	13:1	11:1	10:1
2024	14:1	11:1	10:1
2023	12:1	12:1	10:1
2022	11:1	12:1	10:1
2021	11:1	12:1	10:1
2020	11:1	12:1	10:1
2019	14:1	12:1	10:1
2018	14:1	12:1	10:1
2017	14:1	12:1	10:1
2016	14:1	12:1	10:1
2015	14:1	12:1	10:1

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Average Class Size

18 students

17 students

Tuition and Acceptance Rate:

Students by Ethnicity:

0.49

0.38

View Data

Diversity Score Trends
Year	Waterloo, IA Average	Iowa (IA) Average	National Average
2025	0.49	0.38	0.61
2024	0.41	0.37	0.60
2023	0.54	0.43	0.60
2022	0.58	0.36	0.58
2021	0.58	0.36	0.57
2020	0.58	0.35	0.57
2019	0.40	0.31	0.56
2018	0.40	0.31	0.55
2017	0.40	0.29	0.54
2016	0.40	0.29	0.54
2015	0.40	0.29	0.53

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# American Indian Students

n/a

68 Students

% American Indian Students

n/a

# Asian Students

7 Students

568 Students

% Asian Students

View Data

Asian Student Percentage Trends
Year	Waterloo, IA Average	Iowa (IA) Average	National Average
2025	3%	3%	5%
2024	6%	2%	6%
2023	10%	4%	6%
2022	13%	3%	5%
2021	13%	4%	5%
2020	13%	3%	5%
2019	5%	2%	5%
2018	5%	3%	5%
2017	5%	2%	4%
2016	5%	2%	4%
2015	5%	3%	4%

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# Hispanic Students

38 Students

1,533 Students

% Hispanic Students

15%

View Data

Hispanic Student Percentage Trends
Year	Waterloo, IA Average	Iowa (IA) Average	National Average
2025	15%	6%	9%
2024	8%	6%	9%
2023	14%	7%	8%
2022	15%	6%	8%
2021	15%	6%	8%
2020	15%	6%	8%
2019	8%	4%	8%
2018	8%	4%	8%
2017	8%	4%	7%
2016	8%	4%	8%
2015	8%	3%	8%

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# Black Students

17 Students

880 Students

% Black Students

View Data

Black Student Percentage Trends
Year	Waterloo, IA Average	Iowa (IA) Average	National Average
2025	7%	3%	8%
2024	6%	4%	8%
2023	4%	4%	8%
2022	4%	3%	8%
2021	4%	3%	8%
2020	4%	3%	8%
2019	3%	3%	8%
2018	3%	2%	8%
2017	3%	2%	8%
2016	3%	2%	8%
2015	3%	2%	9%

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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

172 Students

20,185 Students

% White Students

70%

78%

View Data

White Student Percentage Trends
Year	Waterloo, IA Average	Iowa (IA) Average	National Average
2025	70%	78%	59%
2024	76%	79%	60%
2023	66%	74%	60%
2022	62%	79%	62%
2021	62%	79%	63%
2020	62%	80%	64%
2019	77%	83%	64%
2018	77%	83%	65%
2017	77%	84%	66%
2016	77%	84%	66%
2015	77%	84%	66%

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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

1 Student

45 Students

% Hawaiian Students

n/a

# Two or more races Students

n/a

% of Two or more races Students

n/a

# Others Students

12 Students

2,577 Students

% of Others Students

10%

View Data

Other Races Student Percentage Trends
Year	Waterloo, IA Average	Iowa (IA) Average	National Average
2025	5%	10%	17%
2024	4%	9%	15%
2023	5%	11%	16%
2022	5%	9%	16%
2021	5%	8%	15%
2020	5%	8%	14%
2019	7%	8%	14%
2018	7%	8%	13%
2017	7%	8%	14%
2016	7%	8%	13%
2015	7%	8%	12%

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

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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

Extracurriculars and Sports:

Frequently Asked Questions

How many private high schools are located in Waterloo, IA?

1 private high schools are located in Waterloo, IA.

What percentage of private high schools are religiously affiliated in Waterloo?

100% of private high schools in Waterloo are religiously affiliated (most commonly Catholic).

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Best Waterloo Private High Schools (2026)

Private High Schools in Waterloo, IA (2026)

Waterloo, Iowa Private Schools (Closed)

Overview

Trends in Total Number of Private High Schools

Student Body:

Trends in the Average Number of Students Per Private High School

Percentage of Students of Color Trends (2015-2025)

Academics and Faculty:

Student-Teacher Ratio Trends (2015-2025)

Tuition and Acceptance Rate:

Students by Ethnicity:

Diversity Score 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