20 public K-12 schools in Sunnyvale from NCES Common Core of Data: enrollment, grade span, demographics, and Civil Rights Data Collection statistics for every active campus.
20 public schools ranked by quality score. NCES CCD 2024-25 data.
The highest-ranked of Sunnyvale's 20 public schools is Fremont High, scoring 24/100, against a city average of 35.9/100. Computed live across every Sunnyvale campus reporting to NCES.
How the Sunnyvale Public-School Landscape Breaks Down
Sunnyvale, CA enrolls 12,805 students across 20 public schools reporting to the National Center for Education Statistics. Of those, 1 are charter schools, giving families genuine alternatives to the traditional neighbourhood assignment model. The average student-teacher ratio across the city is 20.8:1, and the composite quality score, derived from student-teacher ratio, counselor access, gifted-program availability, and CRDC attendance data, averages 35.9/100. 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 Sunnyvale on this index is Fremont High, at 24/100 on the Resource Investment Index with 2,060 enrolled students. What the index does and doesn't measure; click any school below for its full component breakdown.
Sunnyvale spans 5 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.
Fremont High accounts for 16.1% of all Sunnyvale public-school enrollment
That concentration means Sunnyvale-wide averages can mask substantial variation outside the dominant entity. Grade level: High. A dominant campus often anchors a city's program landscape and absorbs a disproportionate share of district capital and staffing decisions. When one entity dominates a region's footprint, its programmatic and budget decisions effectively set policy for a majority of the affected population.
Sunnyvale school enrollment varies 343× across entities
Sunnyvale school enrollment ranges from 6 students (lowest) to 2,060 students (highest), a spread of 2,054 students. That ratio is an extreme outlier spread — among the widest gaps observed anywhere in this dataset. 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.
Sunnyvale operates 5 school districts — among the most fragmented governance structures in the country
Each school district has independent budgeting, hiring, and service delivery authority. 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.
Sunnyvale student-teacher ratio is 20.8:1 — 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.
Most racially and ethnically mixed schools in Sunnyvale
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 Sunnyvale is Fremont High with a quality score of 24/100. There are 20 public schools in Sunnyvale with 12,805 total students.
How many schools are in Sunnyvale, CA? ▼
Sunnyvale has 20 public schools with a total enrollment of 12,805 students. 1 are charter schools. Average student-teacher ratio: 20.8:1.
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.
