For the 2026-27 school year, there is 1 public high school serving 161 students in Onawa, IA.
The top-ranked public high school in Onawa, IA is West Monona High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Onawa, IA public high school have an average math proficiency score of 62% (versus the Iowa public high school average of 65%), and reading proficiency score of 77% (versus the 71% statewide average). High schools in Onawa have an average ranking of 5/10, which is in the bottom 50% of Iowa public high schools.
Onawa, IA public high school have a Graduation Rate of 84%, which is less than the Iowa average of 87%.
The school with highest graduation rate is West Monona High School, with 80-89% graduation rate. Read more about public school graduation rate statistics in Iowa or national school graduation rate statistics.
Minority enrollment is 19% of the student body (majority American Indian), which is less than the Iowa public high school average of 28% (majority Hispanic).
Best Public High Schools in Onawa, IA (2026-27)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
West Monona High School
(Math: 60-64% | Reading: 75-79%)
Rank:
Rank:
5/
Bottom 50%10
1314 15th St
Onawa, IA 51040
(712) 433-2453
Onawa, IA 51040
(712) 433-2453
Gr: 9-12 | 161 students Student-teacher ratio: 12:1 Minority enrollment: 19%
Onawa, Iowa Public Schools (Closed)
School
Location
Quick Facts
1100 10th
Onawa, IA 51040
(712) 433-1056
Onawa, IA 51040
(712) 433-1056
Gr: 3-5 | 157 students Student-teacher ratio: 12:1 Minority enrollment: 10%
611 4th
Onawa, IA 51040
(712) 433-1393
Onawa, IA 51040
(712) 433-1393
Gr: PK-2 | 204 students Student-teacher ratio: 11:1 Minority enrollment: 5%
Frequently Asked Questions
What are the top-ranked public high schools in Onawa, IA?
The top-ranked public high schools in Onawa, IA include West Monona High School.
How many public high schools are located in Onawa?
1 public high schools are located in Onawa.
What is the racial composition of students in Onawa?
Onawa public high schools minority enrollment is 19% of the student body (majority American Indian), which is less than the Iowa public high schools average of 28% (majority Hispanic).
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