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²ÝÁñÉçÇø School Review - Established 2003

Best Clayton County ²ÝÁñÉçÇø Schools (2026-27)

For the 2026-27 school year, there is 1 private school serving 101 students in Clayton County, IA (there are , 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)

²ÝÁñÉçÇø 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
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Overview

Category
This State (IA)
US
# Schools
1 School

Trends in Total Number of ²ÝÁñÉçÇø 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 ²ÝÁñÉçÇø 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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