Oskaloosa High School is a public high school in Oskaloosa, Mahaska County, Iowa, USA. It serves about 700 students. Courses include offerings through William Penn University and Indian Hills Community College. Jeff Kirby is the school's principal. The school has a marching band, jazz band, orchestra, and choir.
Serving 620 students in grades 9-12, Oskaloosa High School ranks in the bottom 50% of all schools in Iowa for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 63% (which is lower than the Iowa state average of 68%). The percentage of students achieving proficiency in reading/language arts is 70% (which is equal to the Iowa state average of 70%).
The student:teacher ratio of 15:1 is higher than the Iowa state level of 14:1.
Minority enrollment is 12% of the student body (majority Hispanic and Black), which is lower than the Iowa state average of 29% (majority Hispanic).
Quick Stats (2025)
- Grades: 9-12
- Enrollment: 620 students
- Student:Teacher Ratio: 15:1
- Minority Enrollment: 12%
- Graduation Rate: 90-94% (Top 20% in IA)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 63% (Btm 50%)
- Reading Proficiency: 70% (Btm 50%)
- Science Proficiency: 55-59% (Btm 50%)
- Source: National Center for Education Statistics (NCES), IA Dept. of Education
Top Rankings
Oskaloosa High School ranks among the top 20% of public schools in Iowa for:
Category
Attribute
Graduation Rate
School Overview
Oskaloosa High School's student population of 620 students has stayed relatively flat over five school years.
The teacher population of 41 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
620 students
Gender %
Total Classroom Teachers
41 teachers
Last Day of School
Mon. May 25, 2026
School Rankings
Oskaloosa High School ranks within the bottom 50% of all 1,223 schools in Iowa (based off of combined math and reading proficiency testing data).
The diversity score of Oskaloosa High School is 0.22, which is less than the diversity score at state average of 0.47. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#823 out of 1223 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
63%
68%
Reading/Language Arts Test Scores (% Proficient)
70%
70%
Science Test Scores (% Proficient)
55-59%
63%
Student : Teacher Ratio
15:1
14:1
American Indian
n/a
n/a
Asian
2%
3%
Hispanic
4%
13%
Black
2%
7%
White
88%
71%
Hawaiian
n/a
1%
Two or more races
4%
5%
All Ethnic Groups
Graduation Rate
90-94%
90%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
37%
36%
Eligible for Reduced Lunch
3%
5%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), IA Dept. of Education
School Notes
- School Mascot: Indians
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Oskaloosa High School's ranking?
Oskaloosa High School is ranked #823 out of 1,223 schools, which ranks it among the bottom 50% of public schools in Iowa.
What schools are Oskaloosa High School often compared to?
Oskaloosa High Schoolis often viewed alongside schools like North Mahaska Jr-sr High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
63% of students have achieved math proficiency (compared to the 68% IA state average), while 70% of students have achieved reading proficiency (compared to the 70% IA state average).
What is the graduation rate of Oskaloosa High School?
The graduation rate of Oskaloosa High School is 90-94%, which is higher than the Iowa state average of 90%.
How many students attend Oskaloosa High School?
620 students attend Oskaloosa High School.
What is the racial composition of the student body?
88% of Oskaloosa High School students are White, 4% of students are Hispanic, 4% of students are Two or more races, 2% of students are Asian, and 2% of students are Black.
What is the student:teacher ratio of Oskaloosa High School?
Oskaloosa High School has a student ration of 15:1, which is higher than the Iowa state average of 14:1.
What grades does Oskaloosa High School offer ?
Oskaloosa High School offers enrollment in grades 9-12 (Supplemental Virtual).
What school district is Oskaloosa High School part of?
Oskaloosa High School is part of Oskaloosa Comm School District.
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