Private School Review - Established 2003

Waterloo Private High Schools

For the 2026-27 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).

Quick Facts (26-27)

Quick Facts (26-27)

Private High Schools in Waterloo, IA (2026-27)

Map of Columbus Catholic High School
Columbus Catholic High School
Gr: 9-12 | 247 students
Avg. class size: 18 students
Catholic
3231 W 9th St
Waterloo, IA 50702
(319) 232-1422
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[+] Show Closed Private Schools in Waterloo, Iowa

Waterloo, Iowa Private Schools (Closed)

Map of Queen Of Peace
Queen Of Peace
Gr: PK-8 | 134 students
Catholic
127 E Parker Street
Waterloo, IA 50703
(319) 232-2418
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Map of Sacred Heart School
Sacred Heart School
Gr: NS-5 | 171 students
Catholic
620 W 5th St
Waterloo, IA 50702
(319) 234-6593
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Map of St. John St. Nicholas School
St. John St. Nicholas School
Gr: PK-8 | 181 students
Catholic
1729 Mulberry St
Waterloo, IA 50703
(319) 234-6665
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Waterloo, IA Private School Trends (10-Year)

1
Private Schools
-50.0% (-1 school) 10-yr
247
Students
-46.5% (-215 students) 10-yr
18
Avg. Class Size
27%
Students of Color
+42.1% (+8.0 pp) 10-yr
13:1
Student-Teacher Ratio
-7.1% (-1.0) 10-yr
Download town snapshot: CSV | XML | JSON 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.
Enrollment & Diversity
Category
This Town (Waterloo)
This State (IA)
# Schools
1 School
78 Schools
# Students
247 Students
25,959 Students

Trends in the Average Number of Students Per Private High School

YearWaterloo, IA AvgIowa (IA)National
2025247337253
2024245331245
2023528252247
2022512287257
2021512279249
2020512273235
2019231267242
2018231267238
2017231257246
2016231253241
2015231244220
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% Students of Color
27%
14%

Percentage of Students of Color Trends (2015-2025)

YearWaterloo, IA AvgIowa (IA)National
202527%14%32%
202420%14%31%
202330%17%31%
202235%15%30%
202135%15%30%
202035%14%29%
201917%12%29%
201817%12%28%
201719%12%30%
201619%12%30%
201519%10%30%
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0.49
0.38

Diversity Score Trends

YearWaterloo, IA AvgIowa (IA)National
20250.490.380.61
20240.410.370.60
20230.540.430.60
20220.580.360.58
20210.580.360.57
20200.580.350.57
20190.400.310.56
20180.400.310.55
20170.400.290.54
20160.400.290.54
20150.400.290.53
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Show more data/charts: racial breakdown
# American Indian Students
n/a
68 Students
% American Indian Students
n/a
n/a
# Asian Students
7 Students
568 Students
% Asian Students
3%
2%

Asian Student Percentage Trends

YearWaterloo, IA AvgIowa (IA)National
20253%3%5%
20246%2%6%
202310%4%6%
202213%3%5%
202113%4%5%
202013%3%5%
20195%2%5%
20185%3%5%
20175%2%4%
20165%2%4%
20155%3%4%
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# Hispanic Students
38 Students
1,533 Students
% Hispanic Students
15%
6%

Hispanic Student Percentage Trends

YearWaterloo, IA AvgIowa (IA)National
202515%6%9%
20248%6%9%
202314%7%8%
202215%6%8%
202115%6%8%
202015%6%8%
20198%4%8%
20188%4%8%
20178%4%7%
20168%4%8%
20158%3%8%
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# Black Students
17 Students
880 Students
% Black Students
7%
4%

Black Student Percentage Trends

YearWaterloo, IA AvgIowa (IA)National
20257%3%8%
20246%4%8%
20234%4%8%
20224%3%8%
20214%3%8%
20204%3%8%
20193%3%8%
20183%2%8%
20173%2%8%
20163%2%8%
20153%2%9%
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# White Students
172 Students
20,185 Students
% White Students
70%
78%

White Student Percentage Trends

YearWaterloo, IA AvgIowa (IA)National
202570%78%59%
202476%79%60%
202366%74%60%
202262%79%62%
202162%79%63%
202062%80%64%
201977%83%64%
201877%83%65%
201777%84%66%
201677%84%66%
201577%84%66%
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# Hawaiian Students
1 Student
45 Students
% Hawaiian Students
n/a
n/a
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
12 Students
2,597 Students
% of Others Students
5%
10%

Other Races Student Percentage Trends

YearWaterloo, IA AvgIowa (IA)National
20255%10%17%
20244%9%15%
20235%11%16%
20225%9%16%
20215%8%15%
20205%8%14%
20197%8%14%
20187%8%13%
20177%8%14%
20167%8%13%
20157%8%12%
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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
Academics
# Teachers
19 Teachers
2,342 Teachers
Average Student-Teacher Ratio
13:1
11:1

Student-Teacher Ratio Trends (2015-2025)

YearWaterloo, IA AvgIowa (IA)National
202513:111:110:1
202414:111:110:1
202312:112:110:1
202211:112:110:1
202111:112:110:1
202011:112:110:1
201914:112:110:1
201814:112:110:1
201714:112:110:1
201614:112:110:1
201514:112:110:1
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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.

Average Class Size
18 students
17 students
Tuition & Aid
Admissions & Athletics

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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