For the 2026 school year, there are 2 public high schools serving 751 students in Union County, IA.
The top-ranked public high schools in Union County, IA are Creston High School and East Union Middle-high School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Union County, IA public high schools have an average math proficiency score of 70% (versus the Iowa public high school average of 65%), and reading proficiency score of 78% (versus the 71% statewide average). High schools in Union County have an average ranking of 8/10, which is in the top 30% of Iowa public high schools.
Union County, IA public high school have a Graduation Rate of 94%, which is more than the Iowa average of 87%.
The school with highest graduation rate is Creston High School, with ≥95% graduation rate. Read more about public school graduation rate statistics in Iowa or national school graduation rate statistics.
Minority enrollment is 11% of the student body (majority Hispanic), which is less than the Iowa public high school average of 27% (majority Hispanic).
Best Public High Schools in Union County (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Creston High School
(Math: 71% | Reading: 80%)
Rank:
Rank:
6/
Top 50%10
601 W Townline
Creston, IA 50801
(641) 782-2116
Creston, IA 50801
(641) 782-2116
Gr: 9-12 | 509 students Student-teacher ratio: 16:1 Minority enrollment: 13%
Rank: #22.
East Union Middle-high School
(Math: 69% | Reading: 75%)
Rank:
Rank:
5/
Bottom 50%10
1916 High School Dr
Afton, IA 50830
(641) 347-8421
Afton, IA 50830
(641) 347-8421
Gr: 6-12 | 242 students Student-teacher ratio: 11:1 Minority enrollment: 7%
Union County Public Schools (Closed)
School
Location
Quick Facts
High Lakes Cntry Academy High School (Closed 2014)
Alternative School
801 North Elm
Creston, IA 50801
(641) 782-4375
Creston, IA 50801
(641) 782-4375
Gr: 9-12 | 16 students Student-teacher ratio: 16:1 Minority enrollment: 6%
901 N Elm St
Creston, IA 50801
(641) 782-4455
Creston, IA 50801
(641) 782-4455
Gr: 4-5 | 186 students Student-teacher ratio: 14:1 Minority enrollment: 3%
501 N Cherry St
Creston, IA 50801
(641) 782-2024
Creston, IA 50801
(641) 782-2024
Gr: 3 | 108 students Student-teacher ratio: 15:1 Minority enrollment: 4%
1001 W Jefferson St
Creston, IA 50801
(641) 782-4223
Creston, IA 50801
(641) 782-4223
Gr: 1-2 | 160 students Student-teacher ratio: 11:1 Minority enrollment: 6%
Frequently Asked Questions
What are the top-ranked public high schools in Union County, IA?
The top-ranked public high schools in Union County, IA include Creston High School and East Union Middle-high School.
How many public high schools are located in Union County?
2 public high schools are located in Union County.
What is the racial composition of students in Union County?
Union County public high schools minority enrollment is 11% of the student body (majority Hispanic), which is less than the Iowa public high schools average of 27% (majority Hispanic).
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