Enrollment
438
Arizona · 2024-25 NCES data
Other / mixed grade configuration · Desert Hills, AZ
Federal NCES profile for Desert Mountain School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 30/100.
The verdict
Desert Mountain School earns 30/100 on the Resource Investment Index, with class sizes near the Arizona median.
Desert Mountain School has class sizes near the Arizona median. Computed live against every Arizona school reporting to NCES.
NCES ID 040775000622 Verify on NCES CCD record →
Enrollment
438
Arizona · 2024-25 NCES data
Teachers (FTE)
28.0
Federal CCD staff survey
Students per teacher
15.6:1
vs 17:1 Arizona avg
-8% vs state
Free-lunch eligible
16.9%
vs 48.3% Arizona avg
-65% vs state
How Desert Mountain School compares with Arizona and U.S. medians
At or below state median
15.6:1 - 1.4 below the Arizona state median of 17:1, indicating smaller average class loads than typical schools in the state.
Desert Mountain School is a lower-poverty, mid-sized combined-grade school in Desert Hills, Arizona, enrolling 438 students.
At 15.6:1, its student-teacher ratio sits close to the Arizona median, within a few percentage points of the 17:1 state norm, neither notably crowded nor notably small.
Comparatively few students face economic hardship here, 16.9% free-meal eligibility runs 65% below the Arizona average.
With 438 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 177 statewide peers matched on enrollment and economic need, it ranks mid-pack at #122.
Its student body is led by White (76%) and Hispanic or Latino (17%) (diversity index 39/100).
Counselor access is stretched at roughly 438 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 42.7% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Deer Valley Unified District (4246) spends $9,561 per pupil, 27% below the Arizona average, a leaner-resourced district than most.
Deer Valley Unified District (4246) also operates Mountain Ridge High School (2,823 students) and Sandra Day O'connor High School (2,658 students) alongside Desert Mountain 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
Desert Mountain 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 | 15.6:1 | ▼ 8% | 17:1 | 15.7:1 |
| Free-lunch eligible | 16.9% | ▼ 65% | 48.3% | 51.7% |
| Enrollment | 438 | top 46% | - | - |
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 76.3% of enrollment.
Simpson diversity index - at 38.6, Desert Mountain School is less mixed than the Arizona school average of 47.2.
District-wide per-pupil expenditure for Deer Valley Unified District (4246), which includes Desert Mountain 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 |
|---|---|---|---|
| Mountain Ridge High School | Larger | Similar economic need | Higher S:T ratio |
| Sandra Day O'connor High School | Larger | Similar economic need | Higher S:T ratio |
| Boulder Creek High School | Larger | Similar economic need | Higher S:T ratio |
| Deer Valley High School | Larger | Higher economic need | Lower S:T ratio |
| Barry Goldwater High School | Larger | Higher economic need | Higher S:T ratio |
Comparisons are relative to Desert Mountain School's own figures; each column derives from NCES Common Core of Data.
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 Desert Mountain 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.
Desert Mountain School has 438 students enrolled. It is a public school in Desert Hills, AZ.
The student-teacher ratio at Desert Mountain School is 15.6:1, which is 8% lower than the Arizona average of 17:1 and 1% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
16.9% of students at Desert Mountain School are eligible for free lunch, compared to the Arizona average of 48.3%.
The largest demographic group at Desert Mountain School is White at 76.3% of enrollment, in Desert Hills, AZ.
Desert Mountain School has a Resource Investment Index of 30/100 (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).
Desert Mountain School earns 30/100 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.
Besides Desert Mountain School, Deer Valley Unified District (4246) also operates Mountain Ridge High School (2,823 students), Sandra Day O'connor High School (2,658 students), and Boulder Creek High School (2,221 students). See the Deer Valley Unified District (4246) 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.
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PlainSchools, “Desert Mountain School, Desert Hills 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/desert-mountain-school-az
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