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
<麻豆果冻传媒 class='so-dt-title' id='faq'>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).
麻豆果冻传媒 Articles
Public School Cybersecurity: Ransomware Risks & Student Data Protection
Learn how public schools address cybersecurity, ransomware threats, and student data protection in 2026, and what parents should know about digital safety.
Teacher Housing Initiatives: How Districts Address Affordability
Teacher housing initiatives are helping school districts address affordability challenges while improving recruitment and retention.
Teacher Shortage Solutions That Are Working in 2026
Teacher shortage solutions that are working in 2026. Discover grow-your-own programs, teacher residencies, alternative certification, and recruitment strategies.