Denison High School
🇺🇸 Official data · 2025Denison, Iowa 51442 · Denison Comm School District
#281 of 319 high schools in Iowa
#6146 of 16,910 nationally
About Denison High School
Denison High School is a public high located in Denison, in the Denison Comm School District school district of Iowa, United States. It caters for Grades 9–12. In 2025 it enrolled 777 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 58.6 out of 100, placing it in the top 50% of high schools in United States and 281st of 319 ranked high schools in Iowa. Its strongest component is math proficiency (77th percentile), and its weakest is students per teacher (27th percentile).
Other published figures: enrollment 777.
There are 4 schools in Denison; Denison High School ranks 4th of 4 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)62%
- Reading proficiency (30%)72%
- Community advantage (fewer free/reduced-price lunch) (25%)64.4%
- Students per teacher (15%)18.1
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Denison High School by the official sources.
- Enrollment
- 777
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 64.4%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 18.1
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 72%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 62%
- Share of tested students proficient or above (all students, all grades).
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Schools near Denison High School
Closest schools by straight-line distance, with their Success Index (US).
Denison Middle School
Denison · Public middle · Grades 6–8
502 students · 547 m away
Denison Elementary School
Denison · Public elementary · Grades PK–3
691 students · 1.1 km away
Broadway Elementary School
Denison · Public elementary · Grades 4–5
288 students · 1.2 km away
Similar schools
Public high schools in Iowa with a comparable Enrollment.
Carlisle High School
Carlisle · Public high · Grades 9–12
754 students
Clear Creek Amana High School
Tiffin · Public high · Grades 9–12
800 students
Pella High School
Pella · Public high · Grades 9–12
801 students
Newton Senior High School
Newton · Public high · Grades 9–12
806 students
Waverly-Shell Rock Senior High School
Waverly · Public high · Grades 9–12
737 students
Marion High School
Marion · Public high · Grades 9–12
735 students
Frequently asked questions
Is Denison High School a good school?
Denison High School has a Success Index (US) of 58.6 out of 100 (Top 50% of high schools in United States) and ranks #281 of 319 in Iowa. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Denison High School rank in Iowa?
Denison High School ranks #281 of 319 high schools in Iowa and #6146 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Denison High School?
Denison High School had 777 students in 2025.
Is Denison High School a elementary school or a high school?
Denison High School is classified as a high covering Grades 9–12. It is a public school.
What other schools are near Denison High School?
There are 3 schools within 15 km of Denison High School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.