For the 2026 school year, there are 2 public high schools serving 402 students in Decatur County, IA.
The top-ranked public high schools in Decatur County, IA are Central Decatur Ms/hs High School and Lamoni High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Decatur County, IA public high schools have an average math proficiency score of 58% (versus the Iowa public high school average of 65%), and reading proficiency score of 74% (versus the 71% statewide average). High schools in Decatur County have an average ranking of 5/10, which is in the bottom 50% of Iowa public high schools.
Decatur 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 Central Decatur Ms/hs 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 7% 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 Decatur County (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Central Decatur Ms/hs High School
(Math: 58% | Reading: 75%)
Rank:
Rank:
4/
Bottom 50%10
1201 Ne Poplar St
Leon, IA 50144
(641) 446-4816
Leon, IA 50144
(641) 446-4816
Gr: 7-12 | 321 students Student-teacher ratio: 17:1 Minority enrollment: 5%
Rank: #22.
Lamoni High School
(Math: 55-59% | Reading: 70-74%)
Rank:
Rank:
4/
Bottom 50%10
202 N Walnut St
Lamoni, IA 50140
(641) 784-3351
Lamoni, IA 50140
(641) 784-3351
Gr: 9-12 | 81 students Student-teacher ratio: 14:1 Minority enrollment: 13%
Frequently Asked Questions
What are the top-ranked public high schools in Decatur County, IA?
The top-ranked public high schools in Decatur County, IA include Central Decatur Ms/hs High School and Lamoni High School.
How many public high schools are located in Decatur County?
2 public high schools are located in Decatur County.
What is the racial composition of students in Decatur County?
Decatur County public high schools minority enrollment is 7% of the student body (majority Hispanic), which is less than the Iowa public high schools average of 27% (majority Hispanic).
Which public high schools in Decatur County are often viewed compared to one another?
Popular comparisons of public high schools in Decatur County include: Lamoni High School vs. Central Decatur Ms/hs High School, Central Decatur Ms/hs High School vs. Lamoni High School