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Clinton County R-III School District, Missouri

Clinton County R-III School District is a unified school district in Clinton County and Clay County, Missouri, for grades K–12. About 6,028 people live in it (2020–2024 estimate). It covers 144 sq mi (372 km²) of land.

Kansas CitySt. LouisSpringfield
Clinton County R-III School District in Missouri
East Buchanan County C-1 School DistrictLathrop R-II School District
Clinton County R-III School District and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Population, 2020–2024 estimate
6,028 ± 610
Grades
K–12
Type
Unified school district
Counties
Clinton County95% of the district’s landClay County5% of the district’s land
Land area
144 sq mi (372 km²)
Median household income
$71,250 ± $10,194
Median home value
$247,000 ± $23,461
Water area
4.57 sq mi (11.8 km²)
State
Missouri
Census code (GEOID)
2925290
Coordinates (central point)
39.561688, -94.465058
Check a point in the school district finder

These coordinates mark a central point for the district, not a school or an address. Population, income and home value: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 20, 2026.

Towns, townships and communities in Clinton County R-III School District, largest first

  1. Concord Township2,816 people
  2. Plattsburg (city)2,253 people
  3. Hardin Township1,820 people
  4. Clinton Township989 people
  5. Trimble (city)561 people

A town, township, city or borough is listed when at least half its land is in the district; a community, when its central point is. Near a district line, an address can belong to the district next door.

Bordering unified school districts, nearest first

  1. East Buchanan County C-1 School District9.5 mi northwest
  2. Lathrop R-II School District9.5 mi east
  3. Kearney R-I School District13 mi south
  4. Smithville R-II School District13 mi southwest
  5. Stewartsville C-2 School District13 mi north
  6. Osborn R-O School District14 mi north

These share a boundary with Clinton County R-III School District. Distances are straight lines between central points.

Before using this answer for enrollment

A district boundary doesn’t decide which school a student attends; the district’s attendance zones and rules do. Confirm the full address and grade with Clinton County R-III School District before you rely on it.

See its schools and enrollment on NCES ↗

Find the school district where you are now or find your town or township.