36 public K-12 schools in Petaluma from NCES Common Core of Data: enrollment, grade span, demographics, and Civil Rights Data Collection statistics for every active campus.
36 public schools ranked by quality score. NCES CCD 2024-25 data.
The highest-ranked of Petaluma's 36 public schools is Casa Grande High, scoring 32/100, against a city average of 38.4/100. Computed live across every Petaluma campus reporting to NCES.
How the Petaluma Public-School Landscape Breaks Down
Petaluma, CA enrolls 11,209 students across 36 public schools reporting to the National Center for Education Statistics. Of those, 12 are charter schools, giving families genuine alternatives to the traditional neighbourhood assignment model. The average student-teacher ratio across the city is 21.5:1, and the composite quality score, derived from student-teacher ratio, counselor access, gifted-program availability, and CRDC attendance data, averages 38.4/100. 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 Petaluma on this index is Casa Grande High, at 32/100 on the Resource Investment Index with 1,653 enrolled students. What the index does and doesn't measure; click any school below for its full component breakdown.
Petaluma spans 13 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.
Petaluma school enrollment varies 236× across entities
Petaluma school enrollment ranges from 7 students (lowest) to 1,653 students (highest), a spread of 1,646 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.
Petaluma operates 13 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.
Petaluma student-teacher ratio is 21.5:1 — 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.
Petaluma has higher-than-average charter school authorisation eligibility — 33.3% 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 — including this one — 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 Petaluma
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 Petaluma is Casa Grande High with a quality score of 32/100. There are 36 public schools in Petaluma with 11,209 total students.
How many schools are in Petaluma, CA? ▼
Petaluma has 36 public schools with a total enrollment of 11,209 students. 12 are charter schools. Average student-teacher ratio: 21.5:1.
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.
