Enrollment
811
Arizona · 2024-25 NCES data
Other / mixed grade configuration · Glendale, AZ
William C Jack School
Federal NCES profile for William C Jack School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 29/100.
2024-25 NCES dataOther / mixed grade configurationNCES 040342000272
👥 S:T ratio 2
🌟 Gifted program 70
📋 Attendance 16
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
William C Jack School earns 29/100 on the Resource Investment Index, with class sizes larger than 93% of Arizona schools.
- #38 of 46
- schools in Glendale · Resource Index
- 29
- Resource Index · Lower
- 24.6:1
- large classes for Arizona
- 72.9%
- free-lunch eligible
William C Jack School has class sizes larger than 93% of Arizona schools. Computed live against every Arizona school reporting to NCES.
By Resource Investment Index, William C Jack School ranks #38 of 46 schools in Glendale, AZ.
School address
District: Glendale Elementary District (4271) · Arizona
NCES ID 040342000272 Verify on NCES CCD record →
Teachers (FTE)
33.0
Federal CCD staff survey
Students per teacher
24.6:1
vs 17:1 Arizona avg
+45% vs state
Free-lunch eligible
72.9%
vs 48.3% Arizona avg
+51% vs state
Student-teacher ratio in context
How William C Jack School compares with Arizona and U.S. medians
What stands out at William C Jack School
William C Jack School is a higher-need, large combined-grade school in Glendale, Arizona, enrolling 811 students.
Class loads run heavy: 24.6:1 is larger than about 93% of Arizona schools and 45% 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 72.9% of students eligible for free meals.
Enrollment of 811 puts it in the larger third of Arizona schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 2,064 scored Arizona schools.
Against 187 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #71.
Its student body is predominantly Hispanic or Latino (85% of enrollment) (diversity index 26/100).
Chronic absenteeism is elevated: 33.8% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Glendale Elementary District (4271) spends $9,522 per pupil, 28% below the Arizona average, a leaner-resourced district than most.
Its district draws 35.2% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
The federal civil-rights collection also records 2 expulsions at this campus for 2021-22.
Among Glendale's public schools, it stands alongside Sandra Day O'connor High School (2,658 students): William C Jack School is smaller than that campus by headcount and runs leaner classes (24.6:1 vs 25.6:1).
Glendale Elementary District (4271) also operates Horizon School (856 students) and Challenger Middle School (839 students) alongside William C Jack 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 C Jack School compares
William C Jack 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 | 24.6:1 | ▲ 45% | 17:1 | 15.7:1 |
| Free-lunch eligible | 72.9% | ▲ 51% | 48.3% | 51.7% |
| Enrollment | 811 | top 15% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
24.6:1
Leaner classes than 6% of US schools, heavier class loads than most.
811
Bigger than 86% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
72.9%
free-lunch eligible
- 51% above the Arizona average of 48.3%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
24.6:1
students per teacher
- 45% above state mean
Top 93% in Arizona - lower ratio than 7% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
33.8%
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
$9,522
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
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
5
in-school suspensions + 5 out-of-school
Suspension rate: 0.6 per 100 students. Combined in-school and out-of-school rate: 1.2 per 100 students. Reported via the Civil Rights Data Collection. Includes 2 expulsions.
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 85.3%
African American 7.5%
White 4.6%
Asian 1.0%
Two or More 0.9%
American Indian / Alaska Native 0.6%
Native Hawaiian / Pacific Islander 0.1%
Largest group: Hispanic or Latino at 85.3% of enrollment.
Student-body diversity index 26.4/100
Simpson diversity index - at 26.4, William C Jack School is less mixed than the Arizona school average of 47.2.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Glendale Elementary District (4271), which includes William C Jack School.
$9,522
Per student
-28%
vs Arizona
Avg $13,145
-43%
vs U.S.
Avg $16,593
Revenue mix
Local 18.2%
State 46.6%
Federal 35.2%
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 C Jack School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Horizon School | Similar size | Lower economic need | Lower S:T ratio |
| Challenger Middle School | Similar size | Higher economic need | Lower S:T ratio |
| Bicentennial South School | Similar size | Lower economic need | Lower S:T ratio |
| Harold W Smith School | Similar size | Higher economic need | Higher S:T ratio |
| Desert Spirit | Similar size | Similar economic need | Lower S:T ratio |
Comparisons are relative to William C Jack School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 856
- Students per teacher
- 20.9:1
- Resource Index
- 29/100
- Enrollment
- 839
- Students per teacher
- 15.8:1
- Resource Index
- 36/100
- Enrollment
- 729
- Students per teacher
- 20.8:1
- Resource Index
- 32/100
- Enrollment
- 719
- Students per teacher
- 27.7:1
- Resource Index
- 17/100
- Enrollment
- 682
- Students per teacher
- 22:1
- Resource Index
- 27/100
Similar other schools in Glendale
1 comparable other schools (grades Mixed) serving the same city.
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 (~811 students)
Next steps
Verify locally before acting on William C Jack School's federal record.
- Compare William C Jack School against another school. Compare schools
- Glendale Elementary District (4271)'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 C Jack School
How many students attend William C Jack School?
William C Jack School has 811 students enrolled. It is a public school in Glendale, AZ.
What is the student-teacher ratio at William C Jack School?
The student-teacher ratio at William C Jack School is 24.6:1, which is 45% higher than the Arizona average of 17:1 and 57% higher than the national average of 15.7:1.
What percentage of students receive free lunch at William C Jack School?
72.9% of students at William C Jack School are eligible for free lunch, compared to the Arizona average of 48.3%.
What is the racial and ethnic makeup of William C Jack School?
The largest demographic group at William C Jack School is Hispanic or Latino at 85.3% of enrollment, in Glendale, AZ.
What is the Resource Investment Index for William C Jack School?
William C Jack School has a Resource Investment Index of 29/100 (lower reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does William C Jack School rank among schools in Glendale?
By Resource Investment Index, William C Jack School ranks #38 of 46 schools in Glendale, AZ. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Glendale on the city page.
Is William C Jack School a good school?
William C Jack School earns 29/100 on the Resource Investment Index, with class sizes larger than 93% 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.
What other schools are in Glendale Elementary District (4271)?
Besides William C Jack School, Glendale Elementary District (4271) also operates Horizon School (856 students), Challenger Middle School (839 students), and Bicentennial South School (729 students). See the Glendale Elementary District (4271) 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.