10 public K-12 schools in Delta 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 Delta's 10 public schools is Delta High School, scoring 41/100, against a city average of 40.6/100. Computed live across every Delta campus reporting to NCES.
Delta, CO enrolls 2,761 students across 10 public schools reporting to the National Center for Education Statistics. Of those, 2 are charter schools, giving families genuine alternatives to the traditional neighbourhood assignment model. The average student-teacher ratio across the city is 20.3:1, and the composite quality score, derived from student-teacher ratio, counselor access, gifted-program availability, and CRDC attendance data, averages 40.6/100. 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 Delta on this index is Delta High School, at 41/100 on the Resource Investment Index with 626 enrolled students. What the index does and doesn't measure; click any school below for its full component breakdown.
Delta spans 1 district, 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.
Delta High School accounts for 22.7% of all Delta public-school enrollment
That concentration means Delta-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.
Delta school enrollment varies 45× across entities
Delta school enrollment ranges from 14 students (lowest) to 626 students (highest), a spread of 612 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.
Delta operates only 1 school district — one of the single most consolidated governance structures in the country
Most Delta school districts are a single unified district covering the whole city, a structural feature that simplifies inter-school comparison but concentrates policy authority, and the count here is near the floor observed nationally. Consolidation produces narrower variance because resources pool across a large population, but it can also mask intra-school district inequities — sub-school district differences within a single school district are not visible at this aggregation level. Consolidated systems typically rely more heavily on top-down funding formulas than on local revenue variability.
Delta student-teacher ratio is 20.3:1 — 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.
Delta has higher-than-average charter school authorisation eligibility — 20.0% 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. Eligibility here is approaching the 30% concentration-grant threshold; it does not yet unlock the extra funding tier but sits meaningfully above the baseline 10% majority mark. 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 Delta
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 Delta is Delta High School with a quality score of 41/100. There are 10 public schools in Delta with 2,761 total students.
How many schools are in Delta, CO? ▼
Delta has 10 public schools with a total enrollment of 2,761 students. 2 are charter schools. Average student-teacher ratio: 20.3:1.
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.
