Enrollment
661
Arizona · 2024-25 NCES data
Middle school (grades 6-8) · Chandler, AZ
Willis Junior High School
Federal NCES profile for Willis Junior High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 36/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 040187000133
👥 S:T ratio 41
🌟 Gifted program 70
🎓 Counselors 34
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Willis Junior High School earns 36/100 on the Resource Investment Index, with class sizes near the Arizona median.
- #1 of 5
- middle schools in Chandler · Resource Index
- 36
- Resource Index · Typical
- 14.7:1
- students per teacher
- 43.9%
- free-lunch eligible
Willis Junior High School has class sizes near the Arizona median. Computed live against every Arizona school reporting to NCES.
By Resource Investment Index, Willis Junior High School ranks #1 of 5 middle schools in Chandler, AZ.
School address
District: Chandler Unified District #80 (4242) · Arizona
NCES ID 040187000133 Verify on NCES CCD record →
Teachers (FTE)
45.0
Federal CCD staff survey
Students per teacher
14.7:1
vs 17:1 Arizona avg
-14% vs state
Free-lunch eligible
43.9%
vs 48.3% Arizona avg
-9% vs state
Student-teacher ratio in context
How Willis Junior High School compares with Arizona and U.S. medians
What stands out at Willis Junior High School
Willis Junior High School is a mid-sized middle school in Chandler, Arizona, enrolling 661 students.
Class sizes run a bit leaner than typical: 14.7:1 puts it in the smaller third of Arizona schools by student-teacher ratio.
Its free-meal eligibility rate of 43.9% lands close to the Arizona typical range, neither a high- nor low-need campus by this measure.
Enrollment of 661 puts it in the larger third of Arizona schools by headcount.
Its Resource Investment Index lands in the upper third of 2,064 scored Arizona schools.
Against 326 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #67.
Its student body is led by Hispanic or Latino (62%) and White (23%) (diversity index 56/100).
Counselor availability sits well past the ASCA benchmark, roughly 331 students sharing each counselor, though short of the most stretched campuses.
Chronic absenteeism is elevated: 69.1% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Chandler Unified District #80 (4242) spends $9,696 per pupil, 26% below the Arizona average, a leaner-resourced district than most.
Chandler Unified District #80 (4242) also operates Hamilton High School (3,444 students) and Chandler High School (3,179 students) alongside Willis Junior High 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 Willis Junior High School compares
Willis Junior High 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 | 14.7:1 | ▼ 14% | 17:1 | 15.7:1 |
| Free-lunch eligible | 43.9% | ▼ 9% | 48.3% | 51.7% |
| Enrollment | 661 | top 24% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
14.7:1
Leaner classes than 50% of US schools, a middle-of-the-pack class size.
661
Bigger than 78% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
43.9%
free-lunch eligible
- 9% below the Arizona average of 48.3%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
14.7:1
students per teacher
- 14% below state mean
Top 33% in Arizona - lower ratio than 67% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
69.1%
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
$9,696
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
Counselors2.0 FTE
Per 331 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 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 61.7%
White 22.5%
Two or More 6.2%
African American 5.7%
Asian 2.7%
American Indian / Alaska Native 0.9%
Native Hawaiian / Pacific Islander 0.2%
Largest group: Hispanic or Latino at 61.7% of enrollment.
Student-body diversity index 56.1/100
Simpson diversity index - at 56.1, Willis Junior High School is more mixed than the Arizona school average of 47.2.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Chandler Unified District #80 (4242), which includes Willis Junior High School.
$9,696
Per student
-26%
vs Arizona
Avg $13,145
-42%
vs U.S.
Avg $16,593
Revenue mix
Local 42.7%
State 44.2%
Federal 13.1%
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 Willis Junior High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Hamilton High School | Larger | Lower economic need | Higher S:T ratio |
| Chandler High School | Larger | Similar economic need | Higher S:T ratio |
| Basha High School | Larger | Lower economic need | Higher S:T ratio |
| Dr. Camille Casteel High School | Larger | Lower economic need | Higher S:T ratio |
| Perry High School | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to Willis Junior High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 3,444
- Students per teacher
- 19.3:1
- Resource Index
- 25/100
- Enrollment
- 3,179
- Students per teacher
- 16.6:1
- Resource Index
- 25/100
- Enrollment
- 2,826
- Students per teacher
- 20.9:1
- Resource Index
- 18/100
- Enrollment
- 2,816
- Students per teacher
- 18.6:1
- Resource Index
- 24/100
- Enrollment
- 2,373
- Students per teacher
- 16.9:1
- Resource Index
- 34/100
Similar middle 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 (~661 students)
Next steps
Verify locally before acting on Willis Junior High School's federal record.
- Compare Willis Junior High School against another school. Compare schools
- Chandler Unified District #80 (4242)'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 Willis Junior High School
How many students attend Willis Junior High School?
Willis Junior High School has 661 students enrolled. It is a middle school in Chandler, AZ.
What is the student-teacher ratio at Willis Junior High School?
The student-teacher ratio at Willis Junior High School is 14.7:1, which is 14% lower than the Arizona average of 17:1 and 6% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Willis Junior High School?
43.9% of students at Willis Junior High School are eligible for free lunch, compared to the Arizona average of 48.3%.
What is the racial and ethnic makeup of Willis Junior High School?
The largest demographic group at Willis Junior High School is Hispanic or Latino at 61.7% of enrollment, in Chandler, AZ. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 56.1/100.
What is the Resource Investment Index for Willis Junior High School?
Willis Junior High School has a Resource Investment Index of 36/100 (typical 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 Willis Junior High School rank among middle schools in Chandler?
By Resource Investment Index, Willis Junior High School ranks #1 of 5 middle schools in Chandler, AZ. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all middle schools in Chandler on the city page.
Is Willis Junior High School a good school?
Willis Junior High School earns 36/100 on the Resource Investment Index, with class sizes near the Arizona median. 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 Chandler Unified District #80 (4242)?
Besides Willis Junior High School, Chandler Unified District #80 (4242) also operates Hamilton High School (3,444 students), Chandler High School (3,179 students), and Basha High School (2,826 students). See the Chandler Unified District #80 (4242) 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.