Enrollment
960
Arizona · 2024-25 NCES data
Elementary school (grades K-5) · Phoenix, AZ
Federal NCES profile for Academy of Math and Science South Mountain, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 30/100.
The verdict
Academy of Math and Science South Mountain earns 30/100 on the Resource Investment Index on federal resource data.
By Resource Investment Index, Academy of Math and Science South Mountain ranks #33 of 116 elementary schools in Phoenix, AZ.
NCES ID 040089103677 Verify on NCES CCD record →
Enrollment
960
Arizona · 2024-25 NCES data
Free-lunch eligible
29.8%
vs 48.3% Arizona avg
-38% vs state
Academy of Math and Science South Mountain is a large charter elementary school in Phoenix, Arizona, enrolling 960 students.
Economic need runs somewhat below the state's typical profile, with 29.8% of students eligible for free meals.
By headcount it is one of the larger campuses in Arizona, bigger than 90% of state schools at 960 students.
Its Resource Investment Index sits near the middle of the pack among 2,064 scored Arizona schools.
Against 181 statewide peers matched on enrollment and economic need, it ranks mid-pack at #84.
Its student body is led by Hispanic or Latino (74%) and African American (18%) (diversity index 42/100).
The surrounding Academy of Mathematics and Science South Inc. (90878) spends $8,408 per pupil, 36% below the Arizona average, a leaner-resourced district than most.
Its district draws 27.1% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Among Phoenix's elementary schools, it stands alongside Academy of Math and Science Avondale (1,175 students): Academy of Math and Science South Mountain is smaller than that campus by headcount.
Academy of Mathematics and Science South Inc. (90878) also operates Academy of Math and Science Desert Sky (1,339 students) and Academy of Math and Science Avondale (1,175 students) alongside Academy of Math and Science South Mountain.
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
Academy of Math and Science South Mountain on the metrics families compare, against Arizona and U.S. means.
| Metric | This school | vs Arizona | Arizona avg | U.S. avg |
|---|---|---|---|---|
| Free-lunch eligible | 29.8% | ▼ 38% | 48.3% | 51.7% |
| Enrollment | 960 | top 10% | - | - |
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: Hispanic or Latino at 74.2% of enrollment.
Simpson diversity index - at 41.5, Academy of Math and Science South Mountain is less mixed than the Arizona school average of 47.2.
District-wide per-pupil expenditure for Academy of Mathematics and Science South Inc. (90878), which includes Academy of Math and Science South Mountain.
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 |
|---|---|---|---|
| Academy of Math and Science Desert Sky | Larger | Higher economic need | No ratio data |
| Academy of Math and Science Avondale | Similar size | Higher economic need | No ratio data |
| Academy of Math and Science Glendale | Similar size | Higher economic need | No ratio data |
| Academy of Math and Science Peoria Advanced | Similar size | Higher economic need | No ratio data |
| Academy of Mathematics and Science South | Smaller | Higher economic need | No ratio data |
Comparisons are relative to Academy of Math and Science South Mountain's own figures; each column derives from NCES Common Core of Data.
6 comparable elementary schools (grades K-5) 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 Academy of Math and Science South Mountain'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.
Academy of Math and Science South Mountain has 960 students enrolled. It is an elementary school in Phoenix, AZ.
29.8% of students at Academy of Math and Science South Mountain are eligible for free lunch, compared to the Arizona average of 48.3%.
The largest demographic group at Academy of Math and Science South Mountain is Hispanic or Latino at 74.2% of enrollment, in Phoenix, AZ.
Academy of Math and Science South Mountain has a Resource Investment Index of 30/100 (lower reported resources relative to schools nationally) based on 1 factor: student-teacher ratio. Not a test-score or academic measure (national median ~41/100, see methodology). Limited indicators were available, so the index reflects partial data.
By Resource Investment Index, Academy of Math and Science South Mountain ranks #33 of 116 elementary schools in Phoenix, AZ. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Phoenix on the city page.
Academy of Math and Science South Mountain earns 30/100 on the Resource Investment Index on federal resource data. 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 Academy of Math and Science South Mountain, Academy of Mathematics and Science South Inc. (90878) also operates Academy of Math and Science Desert Sky (1,339 students), Academy of Math and Science Avondale (1,175 students), and Academy of Math and Science Glendale (1,085 students). See the Academy of Mathematics and Science South Inc. (90878) 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.