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Community High School District 155, Illinois

Community High School District 155 is a secondary (high school) district in McHenry County and Lake County, Illinois, for grades 9–12. About 98,431 people live in it (2020–2024 estimate). It covers 66.9 sq mi (173 km²) of land.

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Community High School District 155 in Illinois
Community High School District 155 and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Population, 2020–2024 estimate
98,431 ± 1,331
Grades
9–12
Type
Secondary (high school) district
Counties
McHenry County98% of the district’s landLake County2% of the district’s land
Land area
66.9 sq mi (173 km²)
Median household income
$118,547 ± $4,898
Median home value
$331,600 ± $6,578
Water area
2.07 sq mi (5.35 km²)
State
Illinois
Census code (GEOID)
1711370
Coordinates (central point)
42.241642, -88.300028
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 Community High School District 155, largest first

  1. Algonquin Township88,108 people
  2. Crystal Lake (city)40,579 people
  3. Nunda Township38,565 people
  4. Cary (village)17,923 people
  5. Lakewood (village)4,707 people
  6. Fox River Grove (village)4,523 people
  7. Oakwood Hills (village)2,416 people
  8. Prairie Grove (village)2,165 people
  9. Trout Valley (village)574 people
  10. Ridgefield (CDP)221 people
  11. Burtons Bridge (CDP)134 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. McHenry Community High School District 1566.7 mi north

These share a boundary with Community High School District 155. 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 Community High School District 155 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.