Enrollment
433
Arizona · 2024-25 NCES data
High school (grades 9-12) · Peridot, AZ
San Carlos High School
Federal NCES profile for San Carlos 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 040696000526
📚 AP courses 10
🌟 Gifted program 30
🎓 Counselors 13
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
San Carlos 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.
- 13
- Resource Index · Lower
- 84.0%
- free-lunch eligible
- 433
- students enrolled
School address
District: San Carlos Unified District (4210) · Arizona
NCES ID 040696000526 Verify on NCES CCD record →
Free-lunch eligible
84.0%
vs 48.3% Arizona avg
+74% vs state
What stands out at San Carlos High School
San Carlos High School is a high-poverty, mid-sized high school in Peridot, Arizona, enrolling 433 students.
Economic need is high: 84.0% of students qualify for free meals, 74% above the Arizona average, a Title I-weighted population that federal funding formulas prioritise.
With 433 students, its enrollment sits close to the Arizona median campus size.
Its Resource Investment Index trails 97% of the 2,064 Arizona schools with a score on record, one of the lower results on this measure.
Among 195 similarly sized, similarly resourced-need Arizona schools statewide, it ranks #188, in the lower tier once campus size and economic need are matched.
Its student body is predominantly American Indian / Alaska Native (100% of enrollment), among the less diverse in the state (diversity index 1/100).
No Advanced Placement courses are reported for this campus in the federal data.
Counselor access is stretched at roughly 433 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 84.5% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding San Carlos Unified District (4210) spends $17,750 per pupil, 35% above the Arizona average, a better-resourced district than most.
Its district draws 63.2% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
San Carlos Unified District (4210) also operates Rice Elementary School (673 students) and San Carlos Middle School (295 students) alongside San Carlos High 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
How San Carlos High School compares
San Carlos 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 | 84.0% | ▲ 74% | 48.3% | 51.7% |
| Enrollment | 433 | top 47% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
433
Bigger than 52% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
84.0%
free-lunch eligible
- 74% above the Arizona average of 48.3%
Well above the 40% Title I schoolwide threshold, among the highest-need profiles in the state; federal funds support the whole school, not individual students.
Engagement
84.5%
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
$17,750
per pupil, district-wide
- above Arizona avg of $13,145
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors1.0 FTE
Per 433 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 11 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 2.5 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
American Indian / Alaska Native 99.5%
Asian 0.2%
Two or More 0.2%
Largest group: American Indian / Alaska Native at 99.5% of enrollment.
Student-body diversity index 1.0/100
Simpson diversity index - at 1.0, San Carlos 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 San Carlos Unified District (4210), which includes San Carlos High School.
$17,750
Per student
+35%
vs Arizona
Avg $13,145
+7%
vs U.S.
Avg $16,593
Revenue mix
Local 3.9%
State 32.9%
Federal 63.2%
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.
How San Carlos High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Rice Elementary School | Larger | Similar economic need | No ratio data |
| San Carlos Middle School | Smaller | Lower economic need | No ratio data |
| San Carlos Alternative High School | Smaller | Lower economic need | No ratio data |
Comparisons are relative to San Carlos High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 673
- Students per teacher
- 15:1
- Resource Index
- 26/100
- Enrollment
- 295
- Students per teacher
- -
- Resource Index
- 36/100
- Enrollment
- 37
- Students per teacher
- -
- Resource Index
- 30/100
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 San Carlos High School's federal record.
- Compare San Carlos High School against another school. Compare schools
- San Carlos Unified District (4210)'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 San Carlos High School
How many students attend San Carlos High School?
San Carlos High School has 433 students enrolled. It is a high school in Peridot, AZ.
What percentage of students receive free lunch at San Carlos High School?
84.0% of students at San Carlos High School are eligible for free lunch, compared to the Arizona average of 48.3%.
What is the racial and ethnic makeup of San Carlos High School?
The largest demographic group at San Carlos High School is American Indian / Alaska Native at 99.5% of enrollment, in Peridot, AZ.
What is the Resource Investment Index for San Carlos High School?
San Carlos High School has a Resource Investment Index of 13/100 (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).
Is San Carlos High School a good school?
San Carlos 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 San Carlos Unified District (4210)?
Besides San Carlos High School, San Carlos Unified District (4210) also operates Rice Elementary School (673 students), San Carlos Middle School (295 students), and San Carlos Alternative High School (37 students). See the San Carlos Unified District (4210) district page for the complete list.
Related tools
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.