Enrollment
229
Arizona · 2024-25 NCES data
Other / mixed grade configuration · Phoenix, AZ
Federal NCES profile for Arthur M Hamilton School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 27/100.
The verdict
Arthur M Hamilton School earns 27/100 on the Resource Investment Index, with class sizes larger than 70% of Arizona schools.
Arthur M Hamilton School has class sizes larger than 70% of Arizona schools. Computed live against every Arizona school reporting to NCES.
By Resource Investment Index, Arthur M Hamilton School ranks #107 of 179 schools in Phoenix, AZ.
NCES ID 040540000446 Verify on NCES CCD record →
Enrollment
229
Arizona · 2024-25 NCES data
Teachers (FTE)
12.0
Federal CCD staff survey
Students per teacher
19.1:1
vs 17:1 Arizona avg
+12% vs state
Free-lunch eligible
83.0%
vs 48.3% Arizona avg
+72% vs state
How Arthur M Hamilton School compares with Arizona and U.S. medians
Slightly above state median
19.1:1 - 2.1 above the Arizona state median of 17:1, indicating larger average class loads than typical schools in the state.
Arthur M Hamilton School is a high-poverty, mid-sized combined-grade school in Phoenix, Arizona, enrolling 229 students.
Class loads run somewhat heavier than typical: 19.1:1 puts it in the larger third of Arizona schools by student-teacher ratio.
Economic need is high: 83.0% of students qualify for free meals, 72% above the Arizona average, a Title I-weighted population that federal funding formulas prioritise.
Enrollment of 229 puts it in the smaller third of Arizona schools by headcount.
Its Resource Investment Index lands in the lower third of 2,064 scored Arizona schools.
Among 105 similarly sized, similarly resourced-need Arizona schools statewide, it ranks #80, in the lower tier once campus size and economic need are matched.
Counselor coverage is strong, about 229 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 94.8% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 41.7% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Discipline events run high: 76 in- and out-of-school suspensions were reported for 229 students in the 2021-22 Civil Rights Data Collection.
Among Phoenix's public schools, it stands alongside Pan-American Charter School (1,221 students): Arthur M Hamilton School is smaller than that campus by headcount.
Murphy Elementary District (4265) also operates William R Sullivan Elementary School (568 students) and Jack L Kuban Elementary School (472 students) alongside Arthur M Hamilton 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
Arthur M Hamilton 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 | 19.1:1 | ▲ 12% | 17:1 | 15.7:1 |
| Free-lunch eligible | 83.0% | ▲ 72% | 48.3% | 51.7% |
| Enrollment | 229 | top 69% | - | - |
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.
District-wide per-pupil expenditure for Murphy Elementary District (4265), which includes Arthur M Hamilton 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 |
|---|---|---|---|
| William R Sullivan Elementary School | Larger | Similar economic need | Higher S:T ratio |
| Jack L Kuban Elementary School | Larger | Similar economic need | Higher S:T ratio |
Comparisons are relative to Arthur M Hamilton 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 Arthur M Hamilton 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.
Arthur M Hamilton School has 229 students enrolled. It is a public school in Phoenix, AZ.
The student-teacher ratio at Arthur M Hamilton School is 19.1:1, which is 12% higher than the Arizona average of 17:1 and 22% higher than the national average of 15.7:1.
83.0% of students at Arthur M Hamilton School are eligible for free lunch, compared to the Arizona average of 48.3%.
Arthur M Hamilton School has a Resource Investment Index of 27/100 (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, Arthur M Hamilton School ranks #107 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.
Arthur M Hamilton School earns 27/100 on the Resource Investment Index, with class sizes larger than 70% of 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 Arthur M Hamilton School, Murphy Elementary District (4265) also operates William R Sullivan Elementary School (568 students) and Jack L Kuban Elementary School (472 students). See the Murphy Elementary District (4265) 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, “Arthur M Hamilton 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/arthur-m-hamilton-school-az
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