Elementary school (grades K-5) · Phoenix, AZ
South Mountain Preparatory Academy
Federal NCES profile for South Mountain Preparatory Academy, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 15/100.
The verdict
South Mountain Preparatory Academy earns 15/100 on the Resource Investment Index on federal resource data.
- #93 of 116
- elementary schools in Phoenix · Resource Index
- 15
- Resource Index · Lower
- 59.7%
- free-lunch eligible
- 72
- students enrolled
By Resource Investment Index, South Mountain Preparatory Academy ranks #93 of 116 elementary schools in Phoenix, AZ.
School address
NCES ID 040088203409 Verify on NCES CCD record →
NCES CCD universe card
School universe 040088203409 · Phoenix, AZ Elementary · SMALL · CHARTER
72 enr · 59.7% lunch · RII 15
Nearest enrollment peer: Shasta Elementary (100 students)
Resource Investment Index #93 of 116 elementary schools in Phoenix. NCES Common Core of Data stamps for this campus. Read with this school → · District book → · Arizona schools → · Find another →
How South Mountain Preparatory Academy compares
South Mountain Preparatory Academy on the metrics families compare, against Arizona and U.S. means.
| Metric | This school | vs Arizona | Arizona avg | U.S. avg |
|---|---|---|---|---|
| Free-lunch eligible | 59.7% | ▲ 24% | 48.3% | 51.7% |
| Enrollment | 72 | top 86% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Equity indicators (what these measure)
Student demographics
Largest group: Hispanic or Latino at 75.0% of enrollment.
Simpson diversity index - at 41.0, South Mountain Preparatory Academy is less mixed than the Arizona school average of 47.2.
Programs
Funding & spending
District-wide per-pupil expenditure for Kaizen Education Foundation Dba Advance U (91329), which includes South Mountain Preparatory Academy.
Source: NCES F-33 School District Finance Survey District-level finance · FY 2022-23 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
Similar elementary schools in Phoenix
6 comparable elementary schools (grades K-5) serving the same city.
Nationwide elementary schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Frequently asked questions about South Mountain Preparatory Academy
How many students attend South Mountain Preparatory Academy?
South Mountain Preparatory Academy has 72 students enrolled. It is an elementary school in Phoenix, AZ.
What percentage of students receive free lunch at South Mountain Preparatory Academy?
59.7% of students at South Mountain Preparatory Academy are eligible for free lunch, compared to the Arizona average of 48.3%.
What is the racial and ethnic makeup of South Mountain Preparatory Academy?
The largest demographic group at South Mountain Preparatory Academy is Hispanic or Latino at 75.0% of enrollment, in Phoenix, AZ.
What is the Resource Investment Index for South Mountain Preparatory Academy?
South Mountain Preparatory Academy has a Resource Investment Index of 15/100 (lower reported resources relative to schools nationally) based on 2 factors: gifted-program reporting, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology). Limited indicators were available, so the index reflects partial data.
How does South Mountain Preparatory Academy rank among elementary schools in Phoenix?
By Resource Investment Index, South Mountain Preparatory Academy ranks #93 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.
What other schools are in Kaizen Education Foundation Dba Advance U (91329)?
None; Kaizen Education Foundation Dba Advance U (91329) is a single-school charter district, and South Mountain Preparatory Academy is its only campus.
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, the data changelog, or report a data error. Data current as of August 2026.