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22 school districts in San Diego

From North County to the South Bay, we’re giving you all the pertinent details about some of the school districts in San Diego County.

The headquarters and offices of the San Diego Unified School District

San Diego Unified School District serves 114,000+ students.

San Diego County has 42 school districts and nearly 500,000 students across its ~780 schools. We’re giving you the 411 on enrollment, student-teacher ratio, and more for the area’s major public school districts. And don’t worry, there won’t be any homework.

Before we dive in, here are four fast facts about school districts in America’s Finest City:

  • As of 2018, the local high school graduation rate was 87.1%
  • San Diego Unified School District (SDUSD) is the second largest school district in California
  • Niche ranks SDUSD the No. 7 most diverse school district in California, and Grossmont Union High School District No. 18
  • Sweetwater Union High School District is the second largest school district in San Diego County, while Poway Unified is the third.
SD San Diego Unified School District buses

Let’s go to school.

San Diego Unified School District

  • Number of schools: 226 educational facilities including 117 elementary schools, 24 middle schools, 22 high schools, 13 atypical/alternative schools, 49 charter schools, and five additional program sites.
  • Number of students: ~94,000
  • Student-teacher ratio: 22:1
  • No. 108 best school district in California
  • 89.9% graduation rate

Cajon Valley Union School District

  • Number of schools: 28
  • Number of students: 14,799
  • Student-teacher ratio: 22:1
  • No. 43 most diverse school district in California

Carlsbad Unified School District

  • Number of schools: 15
  • Number of students: 11,000+
  • Student-teacher ratio: 23:1
  • No. 4 best school district in San Diego area
  • 94% graduation rate

Chula Vista Elementary School District

  • Number of schools: 50
  • Number of students: 29,600+
  • Student-teacher ratio: 22:1
  • No. 17 most diverse school district in San Diego area

Del Mar Union School District

  • Number of schools: 9
  • Number of students: ~3,895
  • Student-teacher ratio: 20:1
  • The teacher longevity rate in this K-6 district is 15.6 years; the district is home to four Blue Ribbon schools, including Carmel Del Mar

Encinitas Union School District

  • Number of schools: 9
  • Number of students: 4,500
  • Student-teacher ratio: 22:1
  • No. 24 school district with the best teachers in California
SD County school districts map

A map of the school districts in San Diego County.

Escondido Union School District

  • Number of schools: 23
  • Number of students: 14,197
  • Student-teacher ratio: 18:1
  • No. 30 most diverse school district in San Diego area

Escondido Union High School District

  • Number of schools: 7
  • Number of students: 7,166
  • Student-teacher ratio: 21:1
  • No. 186 best school district in California
  • 87% graduation rate

Grossmont Union High School District

  • Number of schools: 18
  • Number of students: 17,108
  • Student-teacher ratio: 23:1
  • No. 102 best school district in California
  • 82% graduation rate

Lakeside Union School District

  • Number of schools: 8
  • Number of students: 4,515
  • Student-teacher ratio: 23:1
  • No. 10 most diverse school district in San Diego area

La Mesa-Spring Valley School District

  • Number of schools: 21
  • Number of students: 10,835
  • Student-teacher ratio: 25:1
  • No. 8 most diverse school district in San Diego area
SD Poway Unified School district

Poway Unified School District serves 35,000+ students in San Diego County.

Lemon Grove School District

  • Number of schools: 8
  • Number of students: 3,400
  • Student-teacher ratio: 21:1
  • No. 21 most diverse school district in San Diego area

National School District

  • Number of schools: 11, including a preschool program
  • Number of students: ~4,500
  • Student-teacher ratio: 23:1
  • Ranked the No. 439 best place to teach in California

Oceanside Unified School District

  • Number of schools: 22
  • Number of students: 16,261
  • Student-teacher ratio: 24:1
  • No. 653 most diverse school district in America, No. 61 in California
  • 86% graduation rate

Poway Unified School District

  • Number of schools: 41
  • Number of students: 35,000+
  • Student-teacher ratio: 23:1
  • No. 130 best school district in America, No. 21 in California
  • 94% graduation rate

San Dieguito Union High School District

  • Number of schools: 10
  • Number of students: 12,704
  • Student-teacher ratio: 25:1
  • No. 5 best school district in California
  • 96% graduation rate

San Marcos Unified School District

  • Number of schools: 19
  • Number of students: 19,622
  • Student-teacher ratio: 25:1
  • No. 50 best school district in California
  • 94% graduation rate
SD Santee School District

Santee School District serves students across 10 schools.

Photo via Monica Garske + SDtoday

Santee School District

  • Number of schools: 10
  • Number of students: 6,309
  • Student-teacher ratio: 22:1
  • No. 12 school district with the best teachers in the San Diego area

San Ysidro School District

  • Number of schools: 7
  • Number of students: 4,264
  • Student-teacher ratio: 22:1
  • 88.4% of teachers have 3+ years of experience

Solana Beach School District

  • Number of schools: 7
  • Number of students: 2,820
  • Student-teacher ratio: 20:1
  • No. 1 best place to teach in California
SD Sweetwater Union High School District

Sweetwater Union High School District is the second largest school district in San Diego County.

Sweetwater Union High School District

  • Number of schools: 28
  • Number of students: 36,557
  • Student-teacher ratio: 23:1
  • No. 137 best school district in California
  • 89% graduation rate

Vista Unified School District

  • Number of schools: 29
  • Number of students: 19,527
  • Student-teacher ratio: 22:1
  • No. 9 best school district in San Diego area
  • 86% graduation rate
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