Private School Review - Established 2003

Best Clayton County Private Schools (2026-27)

For the 2026-27 school year, there is 1 private school serving 101 students in Clayton County, IA (there are 12 public schools, serving 3,636 public students). 3% of all K-12 students are educated in private schools (compared to the IA state average of 10%).
100% of private schools in Clayton County, IA are religiously affiliated (most commonly Catholic).

Quick Facts (2026-27)

Quick Facts (2026-27)

Private Schools in Clayton County (2026-27)

Map of St. Mary Immaculate Conception School
St. Mary Immaculate Conception School
Gr: PK-8 | 101 students
Catholic
510 S. Second St.
Guttenberg, IA 52052
(563) 252-1577
View Profile

Overview

Category
This State (IA)
US
# Schools
1 School

Trends in Total Number of Private Schools

YearClayton County Total Schools
20251
20241
20231
20221
20211
20201
20191
20181
20171
20161
20151
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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.

# Students
101 Students
52,730 Students

Trends in the Average Number of Students Per Private School

YearClayton County AverageIowa (IA) AverageNational Average
2025101217179
2024101212172
2023101192174
2022101203185
2021101201180
2020101196171
201998199175
201898197172
2017105195180
2016105194178
2015105188167
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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 Students of Color
3%
16%

Percentage of Students of Color Trends (2015-2025)

YearClayton County AverageIowa (IA) AverageNational Average
20253%16%34%
20243%16%34%
20233%17%33%
20223%15%33%
20213%16%32%
20203%15%32%
20193%14%31%
20183%15%31%
20176%13%32%
20166%13%32%
20156%12%32%
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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.

Academics and Faculty:

# Teachers
7 Teachers
4,273 Teachers
Average Student-Teacher Ratio
14:1
12:1

Student-Teacher Ratio Trends (2015-2025)

YearClayton County AverageIowa (IA) AverageNational Average
202514:112:111:1
202414:112:111:1
202314:113:111:1
202214:113:111:1
202114:113:111:1
202014:113:112:1
201911:114:112:1
201811:114:112:1
201711:113:112:1
201611:113:112:1
201511:113:112:1
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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.

Tuition and Acceptance Rate:

Students by Ethnicity:

0.48
0.48

Diversity Score Trends

YearClayton County AverageIowa (IA) AverageNational Average
20250.480.470.65
20240.480.470.65
20230.480.500.65
20220.480.470.64
20210.480.470.64
20200.480.470.64
20190.450.460.63
20180.450.450.63
20170.360.390.61
20160.360.390.61
20150.360.390.61
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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.

# American Indian Students
n/a
116 Students
% American Indian Students
n/a
n/a
# Asian Students
n/a
1,075 Students
% Asian Students
n/a
2%

Asian Student Percentage Trends

YearClayton County AverageIowa (IA) AverageNational Average
20191%2%4%
20181%2%4%
20172%2%4%
20162%2%4%
20152%2%4%
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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.

# Hispanic Students
1 Student
3,392 Students
% Hispanic Students
1%
7%

Hispanic Student Percentage Trends

YearClayton County AverageIowa (IA) AverageNational Average
20251%6%9%
20241%7%9%
20231%6%9%
20221%6%8%
20211%6%9%
20201%6%9%
20191%5%8%
20181%5%8%
20172%4%8%
20162%4%8%
20152%4%8%
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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.

# Black Students
1 Student
1,537 Students
% Black Students
1%
3%

Black Student Percentage Trends

YearClayton County AverageIowa (IA) AverageNational Average
20251%3%7%
20241%3%7%
20231%3%8%
20221%3%7%
20211%3%7%
20201%3%8%
20171%2%7%
20161%2%7%
20151%2%8%
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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
65 Students
36,965 Students
% White Students
64%
70%

White Student Percentage Trends

YearClayton County AverageIowa (IA) AverageNational Average
202564%70%52%
202464%71%52%
202364%68%52%
202264%71%54%
202164%70%54%
202064%71%54%
201968%72%56%
201868%72%56%
201778%77%58%
201678%76%58%
201578%76%58%
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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
n/a
98 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
34 Students
9,674 Students
% of Others Students
34%
18%

Other Races Student Percentage Trends

YearClayton County AverageIowa (IA) AverageNational Average
202534%18%26%
202434%17%26%
202334%20%25%
202234%18%25%
202134%18%25%
202034%18%24%
201930%18%24%
201830%18%23%
201717%15%22%
201617%16%22%
201517%16%21%
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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 schools are located in Clayton County, IA?
1 private schools are located in Clayton County, IA.
What percentage of students in Clayton County go to private school?
3% of all K-12 students in Clayton County are educated in private schools (compared to the IA state average of 10%).
What percentage of private schools are religiously affiliated in Clayton County?
100% of private schools in Clayton County are religiously affiliated (most commonly Catholic).

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