For the 2026 school year, there is 1 public high school serving 773 students in Denison, IA.
The top-ranked public high school in Denison, IA is Denison High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Denison, IA public high school have an average math proficiency score of 70% (versus the Iowa public high school average of 65%), and reading proficiency score of 71% (versus the 71% statewide average). High schools in Denison have an average ranking of 5/10, which is in the bottom 50% of Iowa public high schools.
Denison, IA public high school have a Graduation Rate of 87%, which is equal to the Iowa average of 87%.
The school with highest graduation rate is Denison High School, with 85-89% graduation rate. Read more about public school graduation rate statistics in Iowa or national school graduation rate statistics.
Minority enrollment is 68% of the student body (majority Hispanic), which is more than the Iowa public high school average of 27% (majority Hispanic).
Best Public High Schools in Denison, IA (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Denison High School
(Math: 70% | Reading: 71%)
Rank:
Rank:
5/
Bottom 50%10
819 N 16th St
Denison, IA 51442
(712) 263-3101
Denison, IA 51442
(712) 263-3101
Gr: 9-12 | 773 students Student-teacher ratio: 18:1 Minority enrollment: 68%
Denison, Iowa Public Schools (Closed)
School
Location
Quick Facts
Denison Alternative High School (Closed 2023)
Alternative School
Highway 30 E
Denison, IA 51442
(712) 265-2349
Denison, IA 51442
(712) 265-2349
Gr: 9-12
Frequently Asked Questions
What are the top-ranked public high schools in Denison, IA?
The top-ranked public high schools in Denison, IA include Denison High School.
How many public high schools are located in Denison?
1 public high schools are located in Denison.
What is the racial composition of students in Denison?
Denison public high schools minority enrollment is 68% of the student body (majority Hispanic), which is more than the Iowa public high schools average of 27% (majority Hispanic).
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