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Newtown-Harris R-III School District, Missouri

Newtown-Harris R-III School District is a unified school district in Sullivan County, Mercer County, and Putnam County, Missouri, for grades Pre-K to 12. About 394 people live in it (2020–2024 estimate). It covers 89.2 sq mi (231 km²) of land.

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Newtown-Harris R-III School District in Missouri
Milan C-2 School District
Newtown-Harris R-III School District and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Population, 2020–2024 estimate
394 ± 105
Grades
Pre-K to 12
Type
Unified school district
Counties
Sullivan County76% of the district’s landMercer County13% of the district’s landPutnam County10% of the district’s land
Land area
89.2 sq mi (231 km²)
Median household income
$50,500 ± $22,018
Median home value
$83,800 ± $79,967
Water area
0.36 sq mi (0.92 km²)
State
Missouri
Census code (GEOID)
2922470
Coordinates (central point)
40.327815, -93.321586
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 Newtown-Harris R-III School District, largest first

  1. Clay Township293 people
  2. Newtown (town)109 people
  3. Harris (town)38 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. Milan C-2 School District12 mi southeast
  2. Grundy County R-V School District13 mi south
  3. Princeton R-V School District15 mi west
  4. Putnam County R-I School District19 mi northeast

These share a boundary with Newtown-Harris 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 Newtown-Harris 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.