284 public K-12 schools in San Diego from NCES Common Core of Data: enrollment, grade span, demographics, and Civil Rights Data Collection statistics for every active campus.
284 public schools ranked by quality score. NCES CCD 2024-25 data.
The highest-ranked of San Diego's 284 public schools is Del Norte High, scoring 25/100, against a city average of 31.1/100. Computed live across every San Diego campus reporting to NCES.
How the San Diego Public-School Landscape Breaks Down
San Diego, CA enrolls 163,439 students across 284 public schools reporting to the National Center for Education Statistics. Of those, 49 are charter schools, giving families genuine alternatives to the traditional neighbourhood assignment model. The average student-teacher ratio across the city is 21.8:1, and the composite quality score, derived from student-teacher ratio, counselor access, gifted-program availability, and CRDC attendance data, averages 31.1/100. Schools must report at least five campuses in a city to appear in this listing, which is why very small towns may redirect to the broader county or state view.
The most-resourced campus in San Diego on this index is Del Norte High, at 25/100 on the Resource Investment Index with 2,557 enrolled students. What the index does and doesn't measure; click any school below for its full component breakdown.
San Diego spans 10 districts, each filing its own NCES F-33 return, per-pupil spending can vary between neighbouring campuses. Sort the table below by enrollment, level, or district; click any school for its full profile.
San Diego school enrollment varies 3.5× across entities
San Diego school enrollment ranges from 734 students (lowest) to 2,557 students (highest), a spread of 1,823 students. That relatively narrow ratio reflects an unusually homogeneous school portfolio for a city this size. Per-school staffing, programme depth, and capital-renovation cycles often diverge inside the same city based on enrollment shape, a 200-student magnet runs a different operational model than a 2,000-student comprehensive high school.
San Diego operates 10 school districts — one of the single most fragmented governance structures in the country
Each school district has independent budgeting, hiring, and service delivery authority, and the sheer count here puts it in the extreme tail of fragmentation nationally. The fragmentation reflects historical patterns of inter-municipal boundary lines that pre-date modern city growth, students in different parts of the same city can attend different districts with different per-pupil spending, calendars, and graduation requirements. Per-region variation is largest in fragmented systems because each school district sets its own budget, contracts, and priorities without higher-level coordination above the regulatory floor.
San Diego student-teacher ratio is 21.8:1 — high (typically associated with larger urban scale or staffing constraints that have widened the headcount gap)
student-teacher ratio is the simplest comparative metric but it does not capture the full picture: the ratio counts FTE classroom teachers against total enrollment, push-in specialists, English-language aides, special-education co-teachers, and counselors are not included in most reporting Higher values may reflect larger urban scale or recent resource constraints that have widened the gap.
San Diego has higher-than-average charter school authorisation eligibility — 17.3% of the population qualifies for charter-school enrollment options
charter-school enrollment options eligibility is the federal threshold for charter school authorisation funding allocations, established under the state-specific charter law. Areas above 30% eligibility receive concentration grants on top of the basic charter school authorisation formula. Regions with eligibility this high typically draw a substantially larger federal funding share relative to their local tax base, which can either offset or reinforce existing gaps depending on allocation policy.
Most racially and ethnically mixed schools in San Diego
Ranked by the Simpson student-body diversity index (0-100) from NCES race and ethnicity data, where higher means a more evenly mixed student body. It measures mix, not quality.
The highest-ranked school in San Diego is Del Norte High with a quality score of 25/100. There are 284 public schools in San Diego with 163,439 total students.
How many schools are in San Diego, CA? ▼
San Diego has 284 public schools with a total enrollment of 163,439 students. 49 are charter schools. Average student-teacher ratio: 21.8:1.
Data from NCES Common Core of Data (CCD) 2024-25 and Civil Rights Data Collection (CRDC) 2021-22. Quality scores based on student-teacher ratio,
counselor access, gifted programs, and attendance. Schools must have 5+ in the city to be listed.
Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the NCES Common Core of Data (CCD). Consult a qualified professional before making decisions based on this data.
Read our methodology, which explains how this data is sourced, computed, and verified.
