San Dieguito Union High School District, California
San Dieguito Union High School District is a secondary (high school) district in San Diego County, California, for grades 7–12. About 178,350 people live in it (2020–2024 estimate). It covers 81.7 sq mi (212 km²) of land.
- Population, 2020–2024 estimate
- 178,350 ± 3,406
- Grades
- 7–12
- Type
- Secondary (high school) district
- County
- San Diego County
- Land area
- 81.7 sq mi (212 km²)
- Median household income
- $180,774 ± $4,449
- Median home value
- $1,746,800 ± $45,767
- Water area
- 41.7 sq mi (108 km²)
- State
- California
- Census code (GEOID)
- 0634380
- Coordinates (central point)
- 33.011184, -117.250520
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 San Dieguito Union High School District, largest first
- Encinitas (city)61,480 people
- Solana Beach (city)12,823 people
- Del Mar (city)3,903 people
- Fairbanks Ranch (CDP)2,703 people
- Rancho Santa Fe (CDP)2,260 people
- Elfin Forest (CDP)592 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
- Escondido Union High School District13 mi northeast
These share a boundary with San Dieguito Union 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 San Dieguito Union 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.