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Denison High School

Public Grades 9-12
165th
SchoolDigger Rank ?
of 340 Iowa High Schools
Better than 51% of Iowa high schools
Summary

Denison High School is a public high school in Denison, Iowa, serving 773 students in grades 9-12. The school is part of the Denison Community School District, which is ranked 168 out of 313 districts in the state and has a 2-star rating from SchoolDigger.

Denison High School has consistently performed above the state average in ISASP test scores, with 10th graders scoring 77.1% proficient or better in English Language Arts compared to the state average of 74.7%, and 11th graders scoring 79.7% proficient or better in Mathematics compared to the state average of 65.6%. The school also maintains a strong four-year graduation rate, ranging from 87.0% to 93.2% in recent years, generally higher than the state average. However, Denison High School has experienced relatively high chronic absenteeism rates, ranging from 18.7% to 29.0%, which is higher than the state average. Additionally, the school has a relatively high percentage of students receiving free or reduced-price lunch, ranging from 50.57% to 58.78%, indicating a higher proportion of students from economically disadvantaged backgrounds.

When comparing Denison High School to nearby schools, such as IKM-Manning High School and Westside Junior-Senior High School, the latter two schools have consistently higher test scores and higher state rankings, suggesting they may be providing a stronger academic environment. Westside Junior-Senior High School also has a significantly lower chronic absenteeism rate (21.6%) compared to Denison High School. Additionally, the student-teacher ratio at IKM-Manning High School (9.5) and Westside Junior-Senior High School (19.0) is lower than Denison High School (17.5 to 17.7), which may allow for more individualized attention and support for students. These differences in performance and resources may be related to the fact that Denison High School's spending per student ($12,297 in 2018-2019) is lower than the nearby schools.

777
Students ?
17.9
Student/teacher ratio ?
$12,297
Per pupil spending ?
64.4%
Free/discounted lunch ?
 819 N 16th St
       Denison, IA  51442

(712) 263-3101

District: Denison Community School District


Feeder schools for Denison High School:

Elementary:    Broadway Elementary School
    Denison Elementary School
Middle:    Denison Middle School
Racial breakdown:

Hispanic:
63.4%
White:
30.4%
African American:
3.2%
more
 See top rated Iowa high schools

 Compare Denison High School to nearby high schools!
At a glance
Ranking trend: Improving — 26th percentile in 2015 → 51st in 2025
Strengths
Ranking is trending up — up 25 percentile points since 2015
Above the Iowa median (51st percentile)
Worth a look
!High chronic absenteeism (29% vs 22% Iowa)
Students meeting standards (2024-2025) ?
This school73%
District avg73%
Iowa avg69%
165th of 340
Iowa public high schools ?
Top 49%▲ up 26 pts since 2015
From bottom 26% (2015) to top 49% (2025)
See the entire ranking list of Iowa High Schools →
SchoolDigger rating ?
168th of 313Denison Community School District among Iowa districts
Statewide rank percentile over time (100 = the top-ranked school in the state; click a legend item to add a student group)
Show full rank history (all student groups)

All Students

YearAvg scoreStatewide rankIowa percentileRating
202557.2165 of 34051.5%★★★☆☆
202459.7149 of 33855.9%★★★☆☆
202365.2108 of 33667.9%★★★☆☆
202251.3175 of 33247.3%★★☆☆☆
202140.5225 of 32731.2%★★☆☆☆
201949.0185 of 32743.4%★★☆☆☆
201844.7219 of 32031.6%★★☆☆☆
201751.8188 of 32542.2%★★☆☆☆
201662.6121 of 32062.2%★★★☆☆
201537.4241 of 32425.6%★☆☆☆☆
201456.8156 of 32251.6%★★★☆☆
201328.5306 of 35112.8%★☆☆☆☆
201242.4247 of 35129.6%★☆☆☆☆
By subject vs Iowa (2024-2025) ?
English Language Arts79%+5 vs state
Mathematics71%+4 vs state
Science64%-3 vs state

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Schools Near Denison High School

Ranking:
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Latest Iowa data All new data »
2024–25 graduation ratesJun 13, 2026
2024–25 ISASP test scoresAug 20, 2025
2023–24 graduation ratesApr 1, 2025
2017–18 through 2023–24 attendance dataNov 15, 2024


SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau and the Iowa Department of Education.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.





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