For the 2025 school year, there are 5 public high schools serving 2,016 students in Clayton County, IA.
The top ranked public high schools in Clayton County, IA are Clayton Ridge High School, Edgewood-colesburg High School and Mfl Marmac High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Clayton County, IA public high schools have an average math proficiency score of 54% (versus the Iowa public high school average of 65%), and reading proficiency score of 69% (versus the 71% statewide average). High schools in Clayton County have an average ranking of 2/10, which is in the bottom 50% of Iowa public high schools.
Clayton County, IA public high school have a Graduation Rate of 82%, which is less than the Iowa average of 87%.
The school with highest graduation rate is Central Middle School/high School, with ≥90% graduation rate. Read more about public school graduation rate statistics in Iowa or national school graduation rate statistics.
Minority enrollment is 18% of the student body (majority Hispanic and Black), which is less than the Iowa public high school average of 27% (majority Hispanic).
Best Public High Schools in Clayton County (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Clayton Ridge High School
(Math: 65-69% | Reading: 80-84%)
Rank:
Rank:
7/
Top 50%10
131 S River Park Dr
Guttenberg, IA 52052
(563) 252-2342
Guttenberg, IA 52052
(563) 252-2342
Grades: 9-12
| 179 students
Rank: #22.
Edgewood-colesburg High School
(Math: 70-74% | Reading: 65-69%)
Rank:
Rank:
5/
Bottom 50%10
403 W Union
Edgewood, IA 52042
(563) 928-6412
Edgewood, IA 52042
(563) 928-6412
Grades: 7-12
| 198 students
Rank: #33.
Mfl Marmac High School
(Math: 57% | Reading: 70-74%)
Rank:
Rank:
4/
Bottom 50%10
700 S Page St
Monona, IA 52159
(563) 539-2031
Monona, IA 52159
(563) 539-2031
Grades: 9-12
| 271 students
Rank: #44.
Central Middle School/high School
(Math: 55-59% | Reading: 65-69%)
Rank:
Rank:
3/
Bottom 50%10
400 1st Street Nw
Elkader, IA 52043
(563) 245-1750
Elkader, IA 52043
(563) 245-1750
Grades: 7-12
| 202 students
Rank: #55.
Iowa Virtual Academy
(Math: 44% | Reading: 65%)
Rank:
Rank:
2/
Bottom 50%10
306 S. 1st Street
Guttenberg, IA 52052
(563) 748-1017
Guttenberg, IA 52052
(563) 748-1017
Grades: K-12
| 1,166 students
Clayton County Public Schools (Closed)
School
Location
Grades
Students
206 W. Centre Street Box 9
Garnavillo, IA 52049
(563) 964-2441
Garnavillo, IA 52049
(563) 964-2441
Grades: PK-5
| 83 students
306 S. 1st Street
Guttenberg, IA 52052
(855) 652-3931
Guttenberg, IA 52052
(855) 652-3931
Grades: K-12
| n/a students
Frequently Asked Questions
What are the top ranked public high schools in Clayton County, IA?
The top ranked public high schools in Clayton County, IA include Clayton Ridge High School, Edgewood-colesburg High School and Mfl Marmac High School.
How many public high schools are located in Clayton County?
5 public high schools are located in Clayton County.
What is the racial composition of students in Clayton County?
Clayton County public high schools minority enrollment is 18% of the student body (majority Hispanic and Black), which is less than the Iowa public high schools average of 27% (majority Hispanic).
Which public high schools in Clayton County are often viewed compared to one another?
Popular comparisons of public high schools in Clayton County include: Clayton Ridge High School vs. Central Middle School/high School, Central Middle School/high School vs. Clayton Ridge High School, Central Middle School/high School vs. Edgewood-colesburg High School
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