For the 2026-27 school year, there are 2 public high schools serving 931 students in Mahaska County, IA.
The top-ranked public high schools in Mahaska County, IA are North Mahaska Jr-sr High School and Oskaloosa High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Mahaska County, IA public high schools have an average math proficiency score of 66% (versus the Iowa public high school average of 65%), and reading proficiency score of 68% (versus the 71% statewide average). High schools in Mahaska County have an average ranking of 4/10, which is in the bottom 50% of Iowa public high schools.
Mahaska County, IA public high school have a Graduation Rate of 90%, which is more than the Iowa average of 87%.
The school with highest graduation rate is Oskaloosa High School, with 90-94% graduation rate. Read more about public school graduation rate statistics in Iowa or national school graduation rate statistics.
Minority enrollment is 10% of the student body (majority Hispanic), which is less than the Iowa public high school average of 28% (majority Hispanic).
Best Public High Schools in Mahaska County (2026-27)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
North Mahaska Jr-sr High School
(Math: 79% | Reading: 64%)
Rank:
Rank:
5/
Bottom 50%10
2163 135th St
New Sharon, IA 50207
(641) 637-4187
New Sharon, IA 50207
(641) 637-4187
Gr: 7-12 | 275 students Student-teacher ratio: 13:1 Minority enrollment: 6%
Rank: #22.
Oskaloosa High School
(Math: 63% | Reading: 70%)
Rank:
Rank:
4/
Bottom 50%10
1816 N 3rd Extension
Oskaloosa, IA 52577
(641) 673-3407
Oskaloosa, IA 52577
(641) 673-3407
Gr: 9-12 | 632 students Student-teacher ratio: 15:1 Minority enrollment: 14%
Mahaska County Public Schools (Closed)
School
Location
Quick Facts
715 B Ave East
Oskaloosa, IA 52577
(641) 673-3022
Oskaloosa, IA 52577
(641) 673-3022
Gr: K-5 | 257 students Minority enrollment: 4%
601 S B St
Oskaloosa, IA 52577
(641) 673-4266
Oskaloosa, IA 52577
(641) 673-4266
Gr: K-5 | 211 students Minority enrollment: 4%
911 B Ave West
Oskaloosa, IA 52577
(641) 673-7462
Oskaloosa, IA 52577
(641) 673-7462
Gr: K-5 | 138 students Minority enrollment: 9%
508 S 7th St
Oskaloosa, IA 52577
(641) 673-7559
Oskaloosa, IA 52577
(641) 673-7559
Gr: K-5 | 281 students Student-teacher ratio: 17:1 Minority enrollment: 5%
Frequently Asked Questions
What are the top-ranked public high schools in Mahaska County, IA?
The top-ranked public high schools in Mahaska County, IA include North Mahaska Jr-sr High School and Oskaloosa High School.
How many public high schools are located in Mahaska County?
3 public high schools are located in Mahaska County.
What is the racial composition of students in Mahaska County?
Mahaska County public high schools minority enrollment is 10% of the student body (majority Hispanic), which is less than the Iowa public high schools average of 28% (majority Hispanic).
Which public high schools in Mahaska County are often viewed compared to one another?
Popular comparisons of public high schools in Mahaska County include: North Mahaska Jr-sr High School vs. Oskaloosa High School, Oskaloosa High School vs. North Mahaska Jr-sr High School
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