Enrollment
509
Arizona · 2024-25 NCES data
Other / mixed grade configuration · San Tan Valley, AZ
Federal NCES profile for Ranch Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 28/100.
The verdict
Ranch Elementary School earns 28/100 on the Resource Investment Index, with class sizes larger than 87% of Arizona schools.
Ranch Elementary School has class sizes larger than 87% of Arizona schools. Computed live against every Arizona school reporting to NCES.
By Resource Investment Index, Ranch Elementary School ranks #8 of 9 schools in San Tan Valley, AZ.
NCES ID 040399002938 Verify on NCES CCD record →
Enrollment
509
Arizona · 2024-25 NCES data
Teachers (FTE)
23.0
Federal CCD staff survey
Students per teacher
22.1:1
vs 17:1 Arizona avg
+30% vs state
Free-lunch eligible
33.0%
vs 48.3% Arizona avg
-32% vs state
How Ranch Elementary School compares with Arizona and U.S. medians
Larger classes than state median
22.1:1 - 5.1 above the Arizona state median of 17:1, indicating larger average class loads than typical schools in the state.
Ranch Elementary School is a mid-sized combined-grade school in San Tan Valley, Arizona, enrolling 509 students.
Class loads run heavy: 22.1:1 is larger than about 87% of Arizona schools and 30% above the 17:1 state mean, so each teacher carries more students than is typical.
Economic need runs somewhat below the state's typical profile, with 33.0% of students eligible for free meals.
With 509 students, its enrollment sits close to the Arizona median campus size.
Its Resource Investment Index lands in the lower third of 2,064 scored Arizona schools.
Against 283 statewide peers matched on enrollment and economic need, it ranks mid-pack at #178.
Its student body is led by White (55%) and Hispanic or Latino (36%) (diversity index 56/100).
Counselor access is stretched at roughly 509 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 28.5% 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): Ranch 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 Ranch 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
Ranch 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 | 22.1:1 | ▲ 30% | 17:1 | 15.7:1 |
| Free-lunch eligible | 33.0% | ▼ 32% | 48.3% | 51.7% |
| Enrollment | 509 | top 38% | - | - |
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.
Largest group: White at 55.4% of enrollment.
Simpson diversity index - at 56.0, Ranch Elementary School is more mixed than the Arizona school average of 47.2.
District-wide per-pupil expenditure for J O Combs Unified School District (4445), which includes Ranch Elementary 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 |
|---|---|---|---|
| Combs High School | Larger | Similar economic need | Lower S:T ratio |
| J. O. Combs Middle School | Similar size | Similar economic need | Similar S:T ratio |
| Ellsworth Elementary School | Similar size | Similar economic need | Lower S:T ratio |
| Kathryn Sue Simonton Elementary | Similar size | Higher economic need | Lower S:T ratio |
| Jack Harmon Elementary School | Similar size | Similar economic need | Lower S:T ratio |
Comparisons are relative to Ranch Elementary 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 Ranch Elementary 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.
Ranch Elementary School has 509 students enrolled. It is a public school in San Tan Valley, AZ.
The student-teacher ratio at Ranch Elementary School is 22.1:1, which is 30% higher than the Arizona average of 17:1 and 41% higher than the national average of 15.7:1.
33.0% of students at Ranch Elementary School are eligible for free lunch, compared to the Arizona average of 48.3%.
The largest demographic group at Ranch Elementary School is White at 55.4% 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 56.0/100.
Ranch Elementary School has a Resource Investment Index of 28/100 (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, Ranch Elementary School ranks #8 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.
Ranch Elementary School earns 28/100 on the Resource Investment Index, with class sizes larger than 87% 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 Ranch 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.
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.
Published by
PlainSchools Editorial
Independent public-data reference that compiles, verifies, and contextualizes official datasets. We do not accept compensation from entities we cover, and every dataset cites its originating public source.
Last updated:
PlainSchools, “Ranch Elementary School, San Tan Valley 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/ranch-elementary-school-az
You are welcome to quote these figures with attribution to PlainSchools and the underlying source. The URL above is stable.