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Sewanhaka Central High School District, New York

Sewanhaka Central High School District is a secondary (high school) district in Nassau County, New York, for grades 7–12. About 123,365 people live in it (2020–2024 estimate). It covers 11.5 sq mi (29.9 km²) of land.

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Sewanhaka Central High School District in New York
Sewanhaka Central High School District and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Population, 2020–2024 estimate
123,365 ± 3,782
Grades
7–12
Type
Secondary (high school) district
County
Nassau County
Land area
11.5 sq mi (29.9 km²)
Median household income
$137,950 ± $9,568
Median home value
$673,000 ± $9,858
Water area
0.08 sq mi (0.2 km²)
State
New York
Census code (GEOID)
3626520
Coordinates (central point)
40.714272, -73.693760
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 Sewanhaka Central High School District, largest first

  1. Elmont (CDP)36,518 people
  2. Franklin Square (CDP)30,897 people
  3. North Valley Stream (CDP)17,825 people
  4. Floral Park (village)16,169 people
  5. North New Hyde Park (CDP)14,159 people
  6. New Hyde Park (village)10,220 people
  7. Garden City Park (CDP)7,914 people
  8. Garden City South (CDP)4,075 people
  9. Bellerose Terrace (CDP)2,006 people
  10. Stewart Manor (village)1,797 people
  11. South Floral Park (village)1,706 people
  12. Bellerose (village)1,136 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 secondary (high school) districts, nearest first

  1. Valley Stream Central High School District3.1 mi south

These share a boundary with Sewanhaka Central High 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 Sewanhaka Central High 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.