Regional School District 04, Connecticut

Regional School District 04 is a secondary (high school) district in Lower Connecticut River Valley Planning Region, Connecticut, for grades 7–12. About 15,077 people live in it (2020–2024 estimate). It covers 40 sq mi (104 km²) of land.

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Regional School District 04 in Connecticut
Regional School District 04 (simplified outline). Open in OpenStreetMap ↗
Population, 2020–2024 estimate
15,077 ± 340
Grades
7–12
Type
Secondary (high school) district
County
Lower Connecticut River Valley Planning Region
Land area
40 sq mi (104 km²)
Median household income
$103,505 ± $9,475
Median home value
$449,600 ± $18,292
Water area
2.88 sq mi (7.45 km²)
State
Connecticut
Census code (GEOID)
0903630
Coordinates (central point)
41.379468, -72.458196

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 District 04, largest first

  1. Town of Essex6,794 people
  2. Town of Deep River4,458 people
  3. Town of Chester3,825 people
  4. Essex Village (CDP)2,705 people
  5. Deep River Center (CDP)2,407 people
  6. Chester Center (CDP)2,026 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.

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 District 04 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.