For the 2025 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 55% (versus the Iowa public high school average of 60%), 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 87%, which is less than the Iowa average of 88%.
The school with highest graduation rate is Central Decatur Ms/hs High School, with ≥90% 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 (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Central Decatur Ms/hs High School
(Math: 57% | Reading: 75%)
Rank:
Rank:
5/
Bottom 50%10
1201 Ne Poplar St
Leon, IA 50144
(641) 446-4816
Leon, IA 50144
(641) 446-4816
Grades: 7-12
| 321 students
Rank: #22.
Lamoni High School
(Math: 45-49% | 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
Grades: 9-12
| 81 students
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: Central Decatur Ms/hs High School vs. Lamoni High School, Lamoni High School vs. Central Decatur Ms/hs High School
Recent Articles

What Is A Charter School?
Explore the world of charter schools in this comprehensive guide. Learn about their history, how they operate, and the pros and cons of this educational innovation. Discover key facts about charter schools, including admission policies, demographics, and funding, as well as what to look for when considering a charter school for your child.

10 Reasons Why High School Sports Benefit Students
Discover the 10 compelling reasons why high school sports are beneficial for students. This comprehensive article explores how athletics enhance academic performance, foster personal growth, and develop crucial life skills. From improved fitness and time management to leadership development and community representation, learn why participating in high school sports can be a game-changer for students' overall success and well-being.

February 05, 2025
Understanding the U.S. Department of Education: Structure, Impact, and EvolutionWe explore how the Department of Education shapes American education, from its cabinet-level leadership to its impact on millions of students, written for general audiences seeking clarity on this vital institution.