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DeKalb County

Missouri · Public K-12

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 2024-25
Total enrollment
1,028
+15 (+1%) vs SY 2017-18
School count
9
+1 (+13%) vs SY 2017-18
% White
95%
was 95%
% Hispanic
2%
was 2%
% Black
1%
was 0%
% Asian
0%
was 0%
Source: NCES Common Core of Data, enrollment-weighted demographic averages
Residents
10,876
all ages · ACS 5-yr
Schools
10
5 districts
Enrollment
1,028
students · NCES CCD
Median income
$69,826
Above Missouri avg
Free/reduced lunch
33.8%
Below Missouri avg
Elementary
5
551 students
Middle
0
schools
High
5
477 students
Combined / other
0
schools
LARGEST DISTRICT
MAYSVILLE R-I
489 students · 5 districts in DeKalb County

County 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".

County residents
White
88%
Hispanic
2%
Black
7%
Asian
1%
Two or more
4%
Native American
0%
Pacific Islander
0%
School enrollment
White
95%
Hispanic
2%
Black
n/r
Asian
0%
Two or more
2%
Native American
0%
Pacific Islander
0%
Bachelor's+
16.4%
adults 25+
Poverty rate
4.8%
ACS 5-year
Unemployment
2.3%
civilian labor
Median age
42
19.8% under 18

Test scores in DeKalb County

Latest 2024-25 ELA proficiency, 5 schools ranked. Missouri state average: 49.5%.

See all 5 schools in DeKalb County ranked by score →

All schools (10)

NameCityLevelGradesEnrollmentRating
MAYSVILLE ELEM.MaysvilleElementaryPK-06260·
MAYSVILLE JR.-SR. HIGHMaysvilleHigh07-12229·
STEWARTSVILLE ELEM.StewartsvilleElementaryPK-06152·
STEWARTSVILLE HIGHStewartsvilleHigh07-1294·
UNION STAR HIGHUnion StarHigh06-1291·
UNION STAR ELEM.Union StarElementaryKG-0566·
OSBORN ELEM.OsbornElementaryKG-0664·
OSBORN HIGHOsbornHigh07-1263·
UNION STAR PRESCHOOLUnion StarElementaryPK-PK9·
WESTERN MO CORRECTIONAL CENTERCameronHigh07-120·

Cities in DeKalb County

Union Star3 schoolsMaysville2 schoolsOsborn2 schoolsStewartsville2 schoolsCameron1 school

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.

Frequently asked questions

How many K-12 schools serve DeKalb County?
There are 10 public K-12 schools in DeKalb County, Missouri, with a combined enrollment of about 1,028.
How many high schools are in DeKalb County?
DeKalb County, Missouri has 5 public high schools, serving approximately 477 students.
How many elementary schools are in DeKalb County?
DeKalb County, Missouri has 5 public elementary schools, serving approximately 551 students.
What is the largest school district in DeKalb County?
MAYSVILLE R-I is the largest school district in DeKalb County, serving approximately 489 students. The county contains 5 school districts overall.
How many people live in DeKalb County?
DeKalb County has roughly 10,876 residents according to the latest Census ACS 5-year estimate.
What is the median household income in DeKalb County?
Median household income in DeKalb County is $69,826, above the Missouri average of $61,285. About 4.8% of residents live below the federal poverty line.
How educated are residents of DeKalb County?
Approximately 16.4% of adults 25 and older in DeKalb County hold a bachelor's degree or higher, according to the Census ACS 5-year estimate.
What share of students in DeKalb County qualify for free or reduced lunch?
Roughly 33.8% of students in DeKalb County public schools qualify for free or reduced-price lunch, a common proxy for low-income enrollment. This is lower than the Missouri county average of 54.0%.
What is the student-teacher ratio in DeKalb County schools?
Across DeKalb County public schools, the enrollment-weighted student-teacher ratio is approximately 9.9 to 1.
What is the racial makeup of DeKalb County?
DeKalb County residents are approximately 88% White, 2% Hispanic, 7% Black, 1% Asian, 4% two or more races according to the Census ACS 5-year estimate.

DeKalb County school rankings

Largest schoolsAll rankings →
DATA · Census ACS 5-year · NCES Common Core of Data