Enrollment
382
Arizona · 2024-25 NCES data
Other / mixed grade configuration · San Tan Valley, AZ
Jack Harmon Elementary School
Federal NCES profile for Jack Harmon Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 33/100.
2024-25 NCES dataOther / mixed grade configurationNCES 040399002561
👥 S:T ratio 39
🌟 Gifted program 70
🎓 Counselors 24
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Jack Harmon Elementary School earns 33/100 on the Resource Investment Index, with class sizes near the Arizona median.
- #6 of 9
- schools in San Tan Valley · Resource Index
- 33
- Resource Index · Typical
- 15.3:1
- students per teacher
- 41.9%
- free-lunch eligible
Jack Harmon Elementary School has class sizes near the Arizona median. Computed live against every Arizona school reporting to NCES.
By Resource Investment Index, Jack Harmon Elementary School ranks #6 of 9 schools in San Tan Valley, AZ.
School address
District: J O Combs Unified School District (4445) · Arizona
NCES ID 040399002561 Verify on NCES CCD record →
Teachers (FTE)
25.0
Federal CCD staff survey
Students per teacher
15.3:1
vs 17:1 Arizona avg
-10% vs state
Free-lunch eligible
41.9%
vs 48.3% Arizona avg
-13% vs state
Student-teacher ratio in context
How Jack Harmon Elementary School compares with Arizona and U.S. medians
What stands out at Jack Harmon Elementary School
Jack Harmon Elementary School is a mid-sized combined-grade school in San Tan Valley, Arizona, enrolling 382 students.
Class sizes run a bit leaner than typical: 15.3:1 puts it in the smaller third of Arizona schools by student-teacher ratio.
Its free-meal eligibility rate of 41.9% lands close to the Arizona typical range, neither a high- nor low-need campus by this measure.
With 382 students, its enrollment sits close to the Arizona median campus size.
Its Resource Investment Index sits near the middle of the pack among 2,064 scored Arizona schools.
Against 263 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #104.
Its student body is led by White (45%) and Hispanic or Latino (40%) (diversity index 64/100).
Counselor availability sits well past the ASCA benchmark, roughly 382 students sharing each counselor, though short of the most stretched campuses.
Chronic absenteeism is elevated: 51.3% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding J O Combs Unified School District (4445) spends $8,666 per pupil, 34% below the Arizona average, a leaner-resourced district than most.
Among San Tan Valley's public schools, it stands alongside American Leadership Academy Ironwood K12 (2,084 students): Jack Harmon Elementary School is smaller than that campus by headcount.
J O Combs Unified School District (4445) also operates Combs High School (1,182 students) and J. O. Combs Middle School (581 students) alongside Jack Harmon 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 Jack Harmon Elementary School compares
Jack Harmon 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 | 15.3:1 | ▼ 10% | 17:1 | 15.7:1 |
| Free-lunch eligible | 41.9% | ▼ 13% | 48.3% | 51.7% |
| Enrollment | 382 | top 54% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
15.3:1
Leaner classes than 44% of US schools, a middle-of-the-pack class size.
382
Bigger than 45% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
41.9%
free-lunch eligible
- 13% 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
15.3:1
students per teacher
- 10% below state mean
Top 39% in Arizona - lower ratio than 61% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
51.3%
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
$8,666
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 382 students, the combined health-and-guidance staffing load for this school.
Discipline context
7
in-school suspensions + 13 out-of-school
Suspension rate: 1.8 per 100 students. Combined in-school and out-of-school rate: 5.2 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
White 45.0%
Hispanic or Latino 39.5%
African American 6.5%
Two or More 3.4%
American Indian / Alaska Native 2.4%
Asian 1.6%
Native Hawaiian / Pacific Islander 1.6%
Largest group: White at 45.0% of enrollment.
Student-body diversity index 63.5/100
Simpson diversity index - at 63.5, Jack Harmon Elementary School is more mixed than the Arizona school average of 47.2.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for J O Combs Unified School District (4445), which includes Jack Harmon Elementary School.
$8,666
Per student
-34%
vs Arizona
Avg $13,145
-48%
vs U.S.
Avg $16,593
Revenue mix
Local 32.0%
State 53.2%
Federal 14.9%
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 Jack Harmon Elementary School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Combs High School | Larger | Lower economic need | Higher S:T ratio |
| J. O. Combs Middle School | Larger | Similar economic need | Higher S:T ratio |
| Ellsworth Elementary School | Larger | Similar economic need | Higher S:T ratio |
| Ranch Elementary School | Larger | Similar economic need | Higher S:T ratio |
| Kathryn Sue Simonton Elementary | Similar size | Similar economic need | Similar S:T ratio |
Comparisons are relative to Jack Harmon Elementary School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,182
- Students per teacher
- 20:1
- Resource Index
- 33/100
- Enrollment
- 581
- Students per teacher
- 21.5:1
- Resource Index
- 31/100
- Enrollment
- 516
- Students per teacher
- 17.2:1
- Resource Index
- 25/100
- Enrollment
- 509
- Students per teacher
- 22.1:1
- Resource Index
- 28/100
- Enrollment
- 384
- Students per teacher
- 16.7:1
- Resource Index
- 32/100
Similar other schools in San Tan Valley
6 comparable other schools (grades Mixed) serving the same city.
American Leadership Academy Ironwood K12
Standard public school
2,084 students
Poston Butte High School
Standard public school
1,310 students 18.5:1 students per teacher
Combs High School
Standard public school
1,182 students 20:1 students per teacher
Walker Butte K-8
Standard public school
718 students 15.6:1 students per teacher
San Tan Heights Elementary
Standard public school
669 students 17.2:1 students per teacher
Skyline Ranch Elementary School
Standard public school
583 students 14.2:1 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 (~382 students)
Similar student-teacher ratio (~15.3:1)
Next steps
Verify locally before acting on Jack Harmon Elementary School's federal record.
- Compare Jack Harmon Elementary School against another school. Compare schools
- J O Combs Unified School District (4445)'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 Jack Harmon Elementary School
How many students attend Jack Harmon Elementary School?
Jack Harmon Elementary School has 382 students enrolled. It is a public school in San Tan Valley, AZ.
What is the student-teacher ratio at Jack Harmon Elementary School?
The student-teacher ratio at Jack Harmon Elementary School is 15.3:1, which is 10% lower than the Arizona average of 17:1 and 3% 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 Jack Harmon Elementary School?
41.9% of students at Jack Harmon Elementary School are eligible for free lunch, compared to the Arizona average of 48.3%.
What is the racial and ethnic makeup of Jack Harmon Elementary School?
The largest demographic group at Jack Harmon Elementary School is White at 45.0% of enrollment, in San Tan Valley, AZ. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 63.5/100.
What is the Resource Investment Index for Jack Harmon Elementary School?
Jack Harmon Elementary School has a Resource Investment Index of 33/100 (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 Jack Harmon Elementary School rank among schools in San Tan Valley?
By Resource Investment Index, Jack Harmon Elementary School ranks #6 of 9 schools in San Tan Valley, AZ. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in San Tan Valley on the city page.
Is Jack Harmon Elementary School a good school?
Jack Harmon Elementary School earns 33/100 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 J O Combs Unified School District (4445)?
Besides Jack Harmon Elementary School, J O Combs Unified School District (4445) also operates Combs High School (1,182 students), J. O. Combs Middle School (581 students), and Ellsworth Elementary School (516 students). See the J O Combs Unified School District (4445) district page for the complete list.
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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.