Enrollment
568
Arizona · 2024-25 NCES data
Other / mixed grade configuration · Phoenix, AZ
William R Sullivan Elementary School
Federal NCES profile for William R Sullivan Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 8/100.
2024-25 NCES dataOther / mixed grade configurationNCES 040540000447
👥 S:T ratio 0
🌟 Gifted program 30
🎓 Counselors 0
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
William R Sullivan Elementary School earns 8/100 on the Resource Investment Index, with class sizes larger than 95% of Arizona schools. It is also less racially and ethnically mixed than most Arizona schools.
- #178 of 179
- schools in Phoenix · Resource Index
- 8
- Resource Index · Lower
- 25.8:1
- large classes for Arizona
- 81.9%
- free-lunch eligible
William R Sullivan Elementary School has class sizes larger than 95% of Arizona schools. Computed live against every Arizona school reporting to NCES.
By Resource Investment Index, William R Sullivan Elementary School ranks #178 of 179 schools in Phoenix, AZ.
School address
District: Murphy Elementary District (4265) · Arizona
NCES ID 040540000447 Verify on NCES CCD record →
Teachers (FTE)
22.0
Federal CCD staff survey
Students per teacher
25.8:1
vs 17:1 Arizona avg
+52% vs state
Free-lunch eligible
81.9%
vs 48.3% Arizona avg
+70% vs state
Student-teacher ratio in context
How William R Sullivan Elementary School compares with Arizona and U.S. medians
What stands out at William R Sullivan Elementary School
William R Sullivan Elementary School is a high-poverty, mid-sized combined-grade school in Phoenix, Arizona, enrolling 568 students.
Class loads run heavy: 25.8:1 is larger than about 95% of Arizona schools and 52% above the 17:1 state mean, so each teacher carries more students than is typical.
Economic need is high: 81.9% of students qualify for free meals, 70% above the Arizona average, a Title I-weighted population that federal funding formulas prioritise.
Enrollment of 568 puts it in the larger third of Arizona schools by headcount.
Its Resource Investment Index trails 100% of the 2,064 Arizona schools with a score on record, one of the lower results on this measure.
Among 225 similarly sized, similarly resourced-need Arizona schools statewide, it ranks #225, 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 9/100).
Counselor access is stretched at roughly 568 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 70.1% 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.
Among Phoenix's public schools, it stands alongside Pan-American Charter School (1,221 students): William R Sullivan Elementary School is smaller than that campus by headcount.
Murphy Elementary District (4265) also operates Jack L Kuban Elementary School (472 students) and Arthur M Hamilton School (229 students) alongside William R Sullivan Elementary 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
How William R Sullivan Elementary School compares
William R Sullivan Elementary 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 | 25.8:1 | ▲ 52% | 17:1 | 15.7:1 |
| Free-lunch eligible | 81.9% | ▲ 70% | 48.3% | 51.7% |
| Enrollment | 568 | top 32% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
25.8:1
Leaner classes than 4% of US schools, heavier class loads than most.
568
Bigger than 70% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
81.9%
free-lunch eligible
- 70% above the Arizona average of 48.3%
Well above the 40% Title I schoolwide threshold, among the highest-need profiles in the state; federal funds support the whole school, not individual students.
Staffing depth
25.8:1
students per teacher
- 52% above state mean
Top 95% in Arizona - lower ratio than 5% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
70.1%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$12,692
per pupil, district-wide
- below Arizona avg of $13,145
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 568 students, the combined health-and-guidance staffing load for this school.
Discipline context
31
in-school suspensions + 24 out-of-school
Suspension rate: 5.5 per 100 students. Combined in-school and out-of-school rate: 9.7 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
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.
Student demographics
Hispanic or Latino 95.2%
African American 2.1%
White 1.1%
American Indian / Alaska Native 1.1%
Two or More 0.5%
Largest group: Hispanic or Latino at 95.2% of enrollment.
Student-body diversity index 9.3/100
Simpson diversity index - at 9.3, William R Sullivan Elementary School is less mixed than the Arizona school average of 47.2.
Programs
Funding & spending
District-wide per-pupil expenditure for Murphy Elementary District (4265), which includes William R Sullivan Elementary School.
$12,692
Per student
-3%
vs Arizona
Avg $13,145
-24%
vs U.S.
Avg $16,593
Revenue mix
Local 28.5%
State 29.8%
Federal 41.7%
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.
How William R Sullivan Elementary School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Jack L Kuban Elementary School | Similar size | Similar economic need | Similar S:T ratio |
| Arthur M Hamilton School | Smaller | Similar economic need | Lower S:T ratio |
Comparisons are relative to William R Sullivan Elementary School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 472
- Students per teacher
- 24.8:1
- Resource Index
- 10/100
- Enrollment
- 229
- Students per teacher
- 19.1:1
- Resource Index
- 27/100
Similar other schools in Phoenix
6 comparable other schools (grades Mixed) serving the same city.
Pan-American Charter School
Standard public school
1,221 students
Great Hearts Academies - Anthem Prep
Standard public school
1,031 students
Westwind Elementary School
Standard public school
932 students 19.4:1 students per teacher
Stetson Hills School
Standard public school
887 students 17.4:1 students per teacher
Union Park School
Standard public school
873 students 19:1 students per teacher
Fireside Elementary School
Standard public school
693 students 15.1:1 students per teacher
Similar other schools statewide
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.
Similar enrollment (~568 students)
Next steps
Verify locally before acting on William R Sullivan Elementary School's federal record.
- Compare William R Sullivan Elementary School against another school. Compare schools
- Murphy Elementary District (4265)'s spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
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.
Frequently asked questions about William R Sullivan Elementary School
How many students attend William R Sullivan Elementary School?
William R Sullivan Elementary School has 568 students enrolled. It is a public school in Phoenix, AZ.
What is the student-teacher ratio at William R Sullivan Elementary School?
The student-teacher ratio at William R Sullivan Elementary School is 25.8:1, which is 52% higher than the Arizona average of 17:1 and 64% higher than the national average of 15.7:1.
What percentage of students receive free lunch at William R Sullivan Elementary School?
81.9% of students at William R Sullivan Elementary School are eligible for free lunch, compared to the Arizona average of 48.3%.
What is the racial and ethnic makeup of William R Sullivan Elementary School?
The largest demographic group at William R Sullivan Elementary School is Hispanic or Latino at 95.2% of enrollment, in Phoenix, AZ.
What is the Resource Investment Index for William R Sullivan Elementary School?
William R Sullivan Elementary School has a Resource Investment Index of 8/100 (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).
How does William R Sullivan Elementary School rank among schools in Phoenix?
By Resource Investment Index, William R Sullivan Elementary School ranks #178 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.
Is William R Sullivan Elementary School a good school?
William R Sullivan Elementary School earns 8/100 on the Resource Investment Index, with class sizes larger than 95% 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.
What other schools are in Murphy Elementary District (4265)?
Besides William R Sullivan Elementary School, Murphy Elementary District (4265) also operates Jack L Kuban Elementary School (472 students) and Arthur M Hamilton School (229 students). See the Murphy Elementary District (4265) district page for the complete list.
Related tools
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.