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Average

#515 of 1,280 schools in IA

Top 40% in state

Denison High School

High School · Denison Comm School District

819 N 16th St, Denison, IA 51442

Enrollment

773

Student-Teacher

18:1

Score

6.7

Grades

9th – 12th

Updated 2022-23

How this school compares

In Denison

#4 of 4

public schools

Iowa high schools

#95 of 334

In district

#4 of 4

Denison Comm School District

Academic growth

8.1 / 10

Very strong

About Denison High School

Denison High School serves grades 9 through 12 in Denison, a remote town in Crawford County, Iowa. The school has an enrollment of 773 students with 43 full-time equivalent teachers, creating a student-teacher ratio of 18:1. Academically, Denison High School is working to strengthen its performance across core subjects.

In reading and language arts, 75% of students score at proficient levels or above, showing relative strength in this area. Math proficiency stands at 65%, while science proficiency is at 64%, indicating room for academic growth in these disciplines. The school's overall MySchoolScout rating of 5.3/10 places it at the 48th percentile statewide, ranking #674 out of 1,288 Iowa schools.

As a regular public school, Denison High School provides a traditional educational structure for the community it serves. The remote setting of Denison gives the school a distinct character shaped by its location in a smaller Iowa town.

Score Breakdown

Full Profile · 4/4 metrics
Student Progress8.1Excellent25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data4
Annual Change+1.34 pts/yr
Data Period2019–2025
TrendImproving
Academics7.0Very Good25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency61%
Reading/ELA Proficiency71%
Math vs. State Avg-5.5 pts
Reading vs. State Avg-6.1 pts
Overall Proficiency66%
Expected (poverty-adj.)58%
vs. Expected+7.8 pts
Adjusted Percentile56th
College Readiness7.6Very Good30%
Graduation rates, AP course participation, and IB availability.
View breakdown
IB ProgramNo
Resources & Environment3.0Fair20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio18:1
Per-Pupil Spending$12,537

Denison High School — Students at Denison High School score 66% proficient, which is above what's typical for similar communities (expected: 58%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

58.3%

Students qualifying for federal meal assistance

Test Scores IA ISASP (2024-25)

Math Proficiency 65.5%
School
State
67.3%
ELA Proficiency 74.6%
School
State
74.2%

Based on 13 test records from IA state assessments. About our data

Proficiency Trend

↑ Improving

Average proficiency (% at or above grade level) across Math & ELA over time.

2019
Math
62%
ELA
72%
2021*
Math
59%
ELA
69%
2022
Math
61%
ELA
71%
2025
Math
70.3%
ELA
78.6%

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Source: EdFacts (NCES) and state assessment data. Growth score: 8.1/10.

How Denison High School Compares

See how Denison High School performs across key quality dimensions compared to state benchmarks.

Overall Score
6.7/10
60th percentile in IA
Academic
7.0/10
7.0/10
Growth
8.1/10
Above average
Environment
3.0/10
Below average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
58%
Teaching Staff
18:1 student-teacher ratio
43 teachers

Location

819 N 16th St, Denison, IA 51442

Nearby Alternatives

Families considering Denison High School may also want to explore other high schools in the area. Westside Junior-Senior High School (rated 7.2/10, 13.1 miles away, in nearby Westside), which scores slightly higher. Another option is Boyer Valley Middle/High School (rated 6.3/10, 17.4 miles away, in nearby Dunlap), with a comparable rating. Additionally, Odebolt Arthur Battle Creek Ida Grove High School (rated 6.2/10, 22.1 miles away, in nearby Ida Grove), with a comparable rating. For more schools in Denison, see our Denison schools guide .

Nearby Schools

20 within 22.5 mi
School Distance Rating
Denison Middle School Denison 0.3 mi 7.9
Denison Elementary School Denison 0.7 mi 8.1
Broadway Elementary School Denison 0.8 mi 6.8
ZION LUTHERAN SCHOOL Denison 1.0 mi 6.5
ST ROSE OF LIMA SCHOOL Denison 1.0 mi 5.0
Schleswig Middle School Schleswig 10.3 mi 5.6
Schleswig Elementary School Schleswig 10.3 mi 8.7
Boyer Valley Elementary School Dow City 10.1 mi 7.2
Charter Oak-Ute Elementary School Charter Oak 12.7 mi 7.3
Charter Oak-Ute Junior High School Charter Oak 12.7 mi 6.4
Westside Junior-Senior High School Westside 13.1 mi 7.2
Ar-We-Va Elementary Community School Westside 13.1 mi 8.2
Irwin Elementary School Irwin 17.6 mi 6.0
Odebolt Elementary-Odebolt Odebolt 20.0 mi 8.0
Odebolt Arthur Battle Creek Ida Grove Middle School Odebolt 20.0 mi 6.4
Boyer Valley Middle/High School Dunlap 17.4 mi 6.3
IKM-Manning Middle School Manning 17.3 mi 6.8
IKM-Manning High School Manning 17.3 mi 6.1
Odebolt Arthur Battle Creek Ida Grove High School Ida Grove 22.1 mi 6.2
Odebolt Elementary-Ida Grove Ida Grove 22.5 mi 7.0

Neighborhood Census ACS (2019-2023)

Census data for ZIP 51442 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$64,399

Median Home Value

$146,200

Median Rent

$763/mo

Population

9,586

College Educated

18%

Homeownership

75.9%

Avg Commute

14.8 min

Poverty Rate

19.9%

Median Age

36.3

Community Profile

The community surrounding Denison High School has a median household income of $64,399. It is a community where 18% of adults hold a bachelor's degree or higher. The median home value in the area is $146,200, with a median rent of $763/month. The area has a poverty rate of 19.9%. Residents enjoy a short average commute of 15 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
Carroll High School Carroll, IA 6.7
West Delaware High School Manchester, IA 6.8
Sioux Center High School Sioux Center, IA 6.6
Williamsburg Jr-Sr High School Williamsburg, IA 6.6
BISHOP HEELAN CATHOLIC HIGH SCHOOL Sioux City, IA 6.4
Independence Junior Senior High School Independence, IA 6.4

Frequently Asked Questions

Common questions about Denison High School

What grades does Denison High School serve?

Denison High School serves students in grades 9th through 12th.

How many students attend Denison High School?

Denison High School has an enrollment of approximately 773 students.

What is the student-teacher ratio at Denison High School?

The student-teacher ratio at Denison High School is 18:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Denison High School rank in IA?

Denison High School is ranked #515 out of 1,280 schools in IA.

What is Denison High School's MySchoolScout rating?

Denison High School has a composite rating of 6.7 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.

What are the test scores at Denison High School?

Based on the most recent state assessment data, Denison High School has 65.5% math proficiency and 74.6% reading/ELA proficiency.

Is Denison High School a charter school?

No, Denison High School is not a charter school. It is a traditional public school operated by the local school district.

Is Denison High School a Title I school?

No, Denison High School is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Denison High School?

58.3% of students at Denison High School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

11 schools nearby View map →

Neighborhood Context

City Safety
Elevated (971/100K)

FBI UCR 2024. City-level (Denison). Data >1 year old.

Quick Facts NCES CCD (SY 2022-23)

Grades
9th – 12th
Enrollment
773
Student-Teacher Ratio
18:1
Teachers (FTE)
43
Free/Reduced Lunch
58.3%
Type
regular
Setting
Remote Town
County
Crawford County
Data Year
2023–2024

District

Denison Comm School District
District Enrollment
2,259
Schools in District
4
Per-Pupil Spending
$12,865
District Rank
#4 of 4

How We Rate Schools

Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.

Read our full methodology

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