10 public K-12 schools in Walnut from NCES Common Core of Data: enrollment, grade span, demographics, and Civil Rights Data Collection statistics for every active campus.
10 public schools ranked by quality score. NCES CCD 2024-25 data.
The highest-ranked of Walnut's 10 public schools is Walnut High, scoring 52/100, against a city average of 37.7/100. Computed live across every Walnut campus reporting to NCES.
How the Walnut Public-School Landscape Breaks Down
Walnut, CA enrolls 8,338 students across 10 public schools reporting to the National Center for Education Statistics. The average student-teacher ratio across the city is 23.9:1, and the composite quality score, derived from student-teacher ratio, counselor access, gifted-program availability, and CRDC attendance data, averages 37.7/100. 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 Walnut on this index is Walnut High, at 52/100 on the Resource Investment Index with 2,148 enrolled students. What the index does and doesn't measure; click any school below for its full component breakdown.
Walnut spans 2 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.
Walnut High accounts for 25.8% of all Walnut public-school enrollment
That concentration means Walnut-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.
Walnut school enrollment varies 60× across entities
Walnut school enrollment ranges from 36 students (lowest) to 2,148 students (highest), a spread of 2,112 students. That ratio is among the widest observed and reflects extreme heterogeneity inside a single city, small specialty programs sit alongside large comprehensive campuses, often serving very different family demographics inside walking distance. 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.
Walnut student-teacher ratio is 23.9:1 — 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 Walnut
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.
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.
