For the 2026 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 28% (majority Hispanic).
Best Public High Schools in Clayton County (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
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
Gr: 9-12 | 176 students Student-teacher ratio: 10:1 Minority enrollment: 9%
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
Gr: 7-12 | 206 students Student-teacher ratio: 10:1 Minority enrollment: 5%
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
Gr: 9-12 | 263 students Student-teacher ratio: 15:1 Minority enrollment: 5%
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
Gr: 7-12 | 182 students Student-teacher ratio: 11:1 Minority enrollment: 6%
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
Gr: K-12 | 1,457 student Minority enrollment: 31%
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 28% (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: Central Middle School/high School vs. Clayton Ridge High School, Clayton Ridge High School vs. Central Middle School/high School, Central Middle School/high School vs. Edgewood-colesburg High School
Recent Articles
AI Report Cards: Should Schools Evaluate AI Use?
Explore whether schools should assess student AI use, the benefits, risks, and what responsible AI report cards could look like in 2026.
The Parent’s Guide to School Cell Phone Bans in 2026
Learn how school cell phone bans work in 2026, why districts are adopting them, and what parents should expect.
Parental Involvement in Public Schools: 2026 Update
Explore the latest 2026 trends, research, and strategies shaping parental involvement in public schools and student success.