DeKalb County
Public K-12 schools in DeKalb County number 10 per the most recent NCES data, averaging about 103 students per campus. By level, that breaks down as 5 elementary and 5 high schools.
7-year change in DeKalb County
SY 2017-18 vs SY 2024-25County vs. school enrollment demographics
Left bar is the racial makeup of DeKalb 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 DeKalb County
Latest 2024-25 ELA proficiency, 5 schools ranked. Missouri state average: 49.5%.
- MAYSVILLE JR.-SR. HIGH· 95.4%
- MAYSVILLE ELEM.· 48.1%
- STEWARTSVILLE ELEM.· 33.8%
- UNION STAR HIGH· 19.6%
- STEWARTSVILLE HIGH· 14.1%
| Name | City | Level | Grades | Enrollment | Rating |
|---|---|---|---|---|---|
| MAYSVILLE ELEM. | Maysville | Elementary | PK-06 | 260 | · |
| MAYSVILLE JR.-SR. HIGH | Maysville | High | 07-12 | 229 | · |
| STEWARTSVILLE ELEM. | Stewartsville | Elementary | PK-06 | 152 | · |
| STEWARTSVILLE HIGH | Stewartsville | High | 07-12 | 94 | · |
| UNION STAR HIGH | Union Star | High | 06-12 | 91 | · |
| UNION STAR ELEM. | Union Star | Elementary | KG-05 | 66 | · |
| OSBORN ELEM. | Osborn | Elementary | KG-06 | 64 | · |
| OSBORN HIGH | Osborn | High | 07-12 | 63 | · |
| UNION STAR PRESCHOOL | Union Star | Elementary | PK-PK | 9 | · |
| WESTERN MO CORRECTIONAL CENTER | Cameron | High | 07-12 | 0 | · |
Cities in DeKalb County
About DeKalb County
DeKalb County is a thinly populated Missouri county of about 10,876 residents, home to 10 public schools and roughly 1,028 students.
Zooming out, census numbers show the median household earns about $69,826 a year, 16% of adults hold a bachelor's degree or higher, and roughly 5% of residents live below the federal poverty line. That income level is 14% meaningfully above the Missouri median.
For a sense of the school types, DeKalb County spans 5 elementary schools (551 students), and 5 high schools (477).
The largest single district in DeKalb County is MAYSVILLE R-I, which alone enrolls about 489 students.
Looking at the last 7 years. Combined enrollment now sits at 1,028 students, remained close to its prior level from the 1,013 reported in SY 2017-18. The school count climbed from 8 to 9 across the same 7-year window.
On allk12, the community for DeKalb County discusses comparison threads between local schools and program reviews. Discussions cut across districts, schools, and grade levels.