Enrollment
359
Arizona · 2024-25 NCES data
High school (grades 9-12) · Phoenix, AZ
South Ridge High School
Federal NCES profile for South Ridge High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 13/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 040044702671Charter school
📚 AP courses 10
🌟 Gifted program 30
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
South Ridge High School earns 13/100 on the Resource Investment Index on federal resource data. It is also less racially and ethnically mixed than most Arizona schools.
- #63 of 65
- high schools in Phoenix · Resource Index
- 13
- Resource Index · Lower
- 59.8%
- free-lunch eligible
- 359
- students enrolled
By Resource Investment Index, South Ridge High School ranks #63 of 65 high schools in Phoenix, AZ.
School address
NCES ID 040044702671 Verify on NCES CCD record →
Free-lunch eligible
59.8%
vs 48.3% Arizona avg
+24% vs state
What stands out at South Ridge High School
South Ridge High School is a higher-need, mid-sized charter high school in Phoenix, Arizona, enrolling 359 students.
Economic need runs somewhat above the state's typical profile, with 59.8% of students eligible for free meals.
With 359 students, its enrollment sits close to the Arizona median campus size.
Its Resource Investment Index trails 96% of the 2,064 Arizona schools with a score on record, one of the lower results on this measure.
Among 255 similarly sized, similarly resourced-need Arizona schools statewide, it ranks #237, in the lower tier once campus size and economic need are matched.
Its student body is predominantly Hispanic or Latino (88% of enrollment), among the less diverse in the state (diversity index 22/100).
No Advanced Placement courses are reported for this campus in the federal data.
Chronic absenteeism is elevated: 69.1% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding American Charter Schools Foundation D.B.a. South R (88334) spends $10,346 per pupil, 21% below the Arizona average, a leaner-resourced district than most.
Its district draws 19.0% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Among Phoenix's high schools, it stands alongside Madison Highland Prep (510 students): South Ridge High School is smaller than that campus by headcount.
American Charter Schools Foundation D.B.a. South R (88334) is a single-school charter district, so South Ridge High School operates independently rather than alongside district-mates.
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 South Ridge High School compares
South Ridge High School on the metrics families compare, against Arizona and U.S. means.
| Metric | This school | vs Arizona | Arizona avg | U.S. avg |
|---|---|---|---|---|
| Free-lunch eligible | 59.8% | ▲ 24% | 48.3% | 51.7% |
| Enrollment | 359 | top 57% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
359
Bigger than 41% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
59.8%
free-lunch eligible
- 24% above the Arizona average of 48.3%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Engagement
69.1%
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
$10,346
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
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
10
in-school suspensions + 16 out-of-school
Suspension rate: 2.8 per 100 students. Combined in-school and out-of-school rate: 7.2 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
Hispanic or Latino 88.0%
African American 7.5%
White 2.5%
American Indian / Alaska Native 1.1%
Two or More 0.8%
Largest group: Hispanic or Latino at 88.0% of enrollment.
Student-body diversity index 21.9/100
Simpson diversity index - at 21.9, South Ridge High School is less mixed than the Arizona school average of 47.2.
Programs
AP program Not offered
Funding & spending
District-wide per-pupil expenditure for American Charter Schools Foundation D.B.a. South R (88334), which includes South Ridge High School.
$10,346
Per student
-21%
vs Arizona
Avg $13,145
-38%
vs U.S.
Avg $16,593
Revenue mix
Local 1.1%
State 79.9%
Federal 19.0%
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.
Similar high schools in Phoenix
6 comparable high schools (grades 9-12) serving the same city.
Madison Highland Prep
Standard public school
510 students
Arizona Preparatory Academy
Alternative education program
233 students
Ombudsman - Charter West
Alternative education program
176 students
Skyline Prep High School
Alternative education program
167 students
Intelli-School - Paradise Valley
Alternative education program
63 students
Think Through Academy
Standard public school
61 students
Similar high 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.
Next steps
Verify locally before acting on South Ridge High School's federal record.
- Compare South Ridge High School against another school. Compare schools
- American Charter Schools Foundation D.B.a. South R (88334)'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 South Ridge High School
How many students attend South Ridge High School?
South Ridge High School has 359 students enrolled. It is a high school in Phoenix, AZ.
What percentage of students receive free lunch at South Ridge High School?
59.8% of students at South Ridge High School are eligible for free lunch, compared to the Arizona average of 48.3%.
What is the racial and ethnic makeup of South Ridge High School?
The largest demographic group at South Ridge High School is Hispanic or Latino at 88.0% of enrollment, in Phoenix, AZ.
What is the Resource Investment Index for South Ridge High School?
South Ridge High School has a Resource Investment Index of 13/100 (lower reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does South Ridge High School rank among high schools in Phoenix?
By Resource Investment Index, South Ridge High School ranks #63 of 65 high 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 high schools in Phoenix on the city page.
Is South Ridge High School a good school?
South Ridge High School earns 13/100 on the Resource Investment Index on federal resource data. It is also less racially and ethnically mixed than most 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.
What other schools are in American Charter Schools Foundation D.B.a. South R (88334)?
None; American Charter Schools Foundation D.B.a. South R (88334) is a single-school charter district, and South Ridge High School is its only campus.
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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.