Enrollment
875
Arizona · 2024-25 NCES data
Other / mixed grade configuration · Phoenix, AZ
Federal NCES profile for Charles W. Harris School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 20/100.
The verdict
Charles W. Harris School earns 20/100 on the Resource Investment Index, with class sizes larger than 88% of Arizona schools. It is also less racially and ethnically mixed than most Arizona schools.
Charles W. Harris School has class sizes larger than 88% of Arizona schools. Computed live against every Arizona school reporting to NCES.
By Resource Investment Index, Charles W. Harris School ranks #143 of 179 schools in Phoenix, AZ.
NCES ID 040168000091 Verify on NCES CCD record →
Enrollment
875
Arizona · 2024-25 NCES data
Teachers (FTE)
39.0
Federal CCD staff survey
Students per teacher
22.4:1
vs 17:1 Arizona avg
+32% vs state
Free-lunch eligible
69.9%
vs 48.3% Arizona avg
+45% vs state
How Charles W. Harris School compares with Arizona and U.S. medians
Larger classes than state median
22.4:1 - 5.4 above the Arizona state median of 17:1, indicating larger average class loads than typical schools in the state.
Charles W. Harris School is a higher-need, large combined-grade school in Phoenix, Arizona, enrolling 875 students.
Class loads run heavy: 22.4:1 is larger than about 88% of Arizona schools and 32% above the 17:1 state mean, so each teacher carries more students than is typical.
Economic need runs somewhat above the state's typical profile, with 69.9% of students eligible for free meals.
Enrollment of 875 puts it in the larger third of Arizona schools by headcount.
Its Resource Investment Index lands in the lower third of 2,064 scored Arizona schools.
Among 174 similarly sized, similarly resourced-need Arizona schools statewide, it ranks #129, in the lower tier once campus size and economic need are matched.
Its student body is predominantly Hispanic or Latino (95% of enrollment), among the less diverse in the state (diversity index 10/100).
Counselor access is stretched at roughly 875 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 51.3% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 41.1% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Among Phoenix's public schools, it stands alongside Pan-American Charter School (1,221 students): Charles W. Harris School is smaller than that campus by headcount.
Cartwright Elementary District (4282) also operates Frank Borman School (960 students) and Peralta School (817 students) alongside Charles W. Harris School.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
Charles W. Harris School on the metrics families compare, against Arizona and U.S. means.
| Metric | This school | vs Arizona | Arizona avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 22.4:1 | ▲ 32% | 17:1 | 15.7:1 |
| Free-lunch eligible | 69.9% | ▲ 45% | 48.3% | 51.7% |
| Enrollment | 875 | top 12% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Largest group: Hispanic or Latino at 94.6% of enrollment.
Simpson diversity index - at 10.4, Charles W. Harris School is less mixed than the Arizona school average of 47.2.
District-wide per-pupil expenditure for Cartwright Elementary District (4282), which includes Charles W. Harris School.
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Frank Borman School | Similar size | Lower economic need | Higher S:T ratio |
| Peralta School | Similar size | Similar economic need | Similar S:T ratio |
| Manuel Pena Jr. School | Similar size | Lower economic need | Higher S:T ratio |
| Sunset School | Similar size | Lower economic need | Similar S:T ratio |
| Tomahawk School | Similar size | Similar economic need | Lower S:T ratio |
Comparisons are relative to Charles W. Harris School's own figures; each column derives from NCES Common Core of Data.
6 comparable other schools (grades Mixed) serving the same city.
Matched by enrollment size and by staffing ratio across all of Arizona, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Charles W. Harris School's federal record.
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Charles W. Harris School has 875 students enrolled. It is a public school in Phoenix, AZ.
The student-teacher ratio at Charles W. Harris School is 22.4:1, which is 32% higher than the Arizona average of 17:1 and 43% higher than the national average of 15.7:1.
69.9% of students at Charles W. Harris School are eligible for free lunch, compared to the Arizona average of 48.3%.
The largest demographic group at Charles W. Harris School is Hispanic or Latino at 94.6% of enrollment, in Phoenix, AZ.
Charles W. Harris School has a Resource Investment Index of 20/100 (lower reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Charles W. Harris School ranks #143 of 179 schools in Phoenix, AZ. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Phoenix on the city page.
Charles W. Harris School earns 20/100 on the Resource Investment Index, with class sizes larger than 88% of Arizona schools. It is also less racially and ethnically mixed than most Arizona schools. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
Besides Charles W. Harris School, Cartwright Elementary District (4282) also operates Frank Borman School (960 students), Peralta School (817 students), and Manuel Pena Jr. School (806 students). See the Cartwright Elementary District (4282) district page for the complete list.
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.
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PlainSchools, “Charles W. Harris School, Phoenix AZ.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/charles-w-harris-school-az
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