Decatur County
6 public K-12 schools, roughly 967 students, one county, 7,759 residents. That is Decatur County, Iowa on the numbers. The level mix is 3 elementary, 1 middle, and 2 high schools.
7-year change in Decatur County
SY 2017-18 vs SY 2024-25County vs. school enrollment demographics
Left bar is the racial makeup of Decatur County residents (Census ACS 5-year). Right bar is the enrollment-weighted makeup of public schools in the county (NCES CCD). NCES systematically under-reports Hispanic, Pacific Islander, and Native American enrollment for many schools; where the resident share is meaningful but the reported school share is zero, we mark the school bar "not reported".
Test scores in Decatur County
Latest 2024-25 ELA proficiency, 5 schools ranked. Iowa state average: 73.7%.
- Lamoni Middle School· 79.3%
- Central Decatur MS/HS High School· 76.6%
- North Elementary School· 72.1%
- Lamoni High School· 63.5%
- Lamoni Elementary School· 52.7%
| Name | City | Level | Grades | Enrollment | Rating |
|---|---|---|---|---|---|
| Central Decatur MS/HS High School | Leon | High | 07-12 | 291 | · |
| Lamoni Elementary School | Lamoni | Elementary | PK-05 | 191 | · |
| South Elementary School | Leon | Elementary | PK-02 | 173 | · |
| North Elementary School | Leon | Elementary | 03-06 | 168 | · |
| Lamoni High School | Lamoni | High | 09-12 | 81 | · |
| Lamoni Middle School | Lamoni | Middle | 06-08 | 63 | · |
Cities in Decatur County
About Decatur County
Decatur County is a sparse county of about 7,759 residents in Iowa. Its public-school system teaches approximately 967 students across 6 schools.
Looking at the broader picture, census numbers show median household income runs near $59,044, roughly 24% of adults have completed at least a four-year degree, and roughly 11% of residents live below the federal poverty line. That income level is 18% below the Iowa median.
On the level-by-level breakdown, Decatur County comprises 3 elementary schools (532 students), 1 middle school (63), and 2 high schools (372).
Central Decatur Comm School District dominates the local landscape, accounting for roughly 632 students on its own.
Trend over the past 7 years. Combined enrollment now sits at 967 students, contracted 15% from the 1,143 reported in SY 2017-18. Over that span, Decatur County shed 1 school, going from 7 to 6. The White share of public-school enrollment fell from 93% to 90%.
In the discussion threads here, the community for Decatur County discusses comparison threads between local schools and program reviews. Posts come from current and former families, staff, and alumni.