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Regional School Unit 18, Maine

Regional School Unit 18 is a unified school district in Kennebec County, Maine, for grades Pre-K to 12. About 20,191 people live in it (2020–2024 estimate). It covers 187 sq mi (483 km²) of land.

PortlandLewistonBangor
Regional School Unit 18 in Maine
VassalboroWatervilleWinslowSchool Administrative District 49Regional School Unit 38
Regional School Unit 18 and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Population, 2020–2024 estimate
20,191 ± 220
Grades
Pre-K to 12
Type
Unified school district
County
Kennebec County
Land area
187 sq mi (483 km²)
Median household income
$86,933 ± $6,341
Median home value
$275,900 ± $21,139
Water area
33.7 sq mi (87.3 km²)
State
Maine
Census code (GEOID)
2314779
Coordinates (central point)
44.466895, -69.743969
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 Regional School Unit 18, largest first

  1. Town of Oakland6,309 people
  2. Town of Sidney4,790 people
  3. Town of China4,526 people
  4. Town of Belgrade3,351 people
  5. Oakland (CDP)2,710 people
  6. Town of Rome1,215 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. Vassalboro5.4 mi southeast
  2. Waterville6.8 mi northeast
  3. Winslow9.1 mi northeast
  4. Augusta9.1 mi south
  5. Regional School Unit 3811 mi southwest
  6. School Administrative District 4913 mi northeast
  7. Regional School Unit 1217 mi southeast
  8. School Administrative District 5419 mi north
  9. Regional School Unit 0926 mi northwest

These share a boundary with Regional School Unit 18. 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 Regional School Unit 18 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.