Enrollment
295
Arizona · 2024-25 NCES data
Middle school (grades 6-8) · San Carlos, AZ
San Carlos Middle School
Federal NCES profile for San Carlos Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 36/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 040696003683
🌟 Gifted program 30
🎓 Counselors 41
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
San Carlos Middle School earns 36/100 on the Resource Investment Index on federal resource data. It is also less racially and ethnically mixed than most Arizona schools.
- 36
- Resource Index · Typical
- 68.9%
- free-lunch eligible
- 295
- students enrolled
School address
District: San Carlos Unified District (4210) · Arizona
NCES ID 040696003683 Verify on NCES CCD record →
Free-lunch eligible
68.9%
vs 48.3% Arizona avg
+43% vs state
What stands out at San Carlos Middle School
San Carlos Middle School is a higher-need, mid-sized middle school in San Carlos, Arizona, enrolling 295 students.
Economic need runs somewhat above the state's typical profile, with 68.9% of students eligible for free meals.
With 295 students, its enrollment sits close to the Arizona median campus size.
Its Resource Investment Index lands in the upper third of 2,064 scored Arizona schools.
Against 211 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #84.
Its student body is predominantly American Indian / Alaska Native (98% of enrollment), among the less diverse in the state (diversity index 3/100).
Counselor coverage runs a bit thin, about 295 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
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 High School (433 students) alongside San Carlos Middle 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 Middle School compares
San Carlos Middle 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 | 68.9% | ▲ 43% | 48.3% | 51.7% |
| Enrollment | 295 | top 62% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
295
Bigger than 32% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
68.9%
free-lunch eligible
- 43% above the Arizona average of 48.3%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
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 295 students, the combined health-and-guidance staffing load for this school.
Discipline context
13
in-school suspensions + 30 out-of-school
Suspension rate: 4.4 per 100 students. Combined in-school and out-of-school rate: 14.6 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 98.3%
Asian 1.0%
Native Hawaiian / Pacific Islander 0.3%
Two or More 0.3%
Largest group: American Indian / Alaska Native at 98.3% of enrollment.
Student-body diversity index 3.4/100
Simpson diversity index - at 3.4, San Carlos Middle School is less mixed than the Arizona school average of 47.2.
Programs
Funding & spending
District-wide per-pupil expenditure for San Carlos Unified District (4210), which includes San Carlos Middle 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 Middle School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Rice Elementary School | Larger | Higher economic need | No ratio data |
| San Carlos High School | Larger | Higher economic need | No ratio data |
| San Carlos Alternative High School | Smaller | Lower economic need | No ratio data |
Comparisons are relative to San Carlos Middle 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
- 433
- Students per teacher
- -
- Resource Index
- 14/100
- Enrollment
- 37
- Students per teacher
- -
- Resource Index
- 30/100
Similar middle 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 Middle School's federal record.
- Compare San Carlos Middle 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 Middle School
How many students attend San Carlos Middle School?
San Carlos Middle School has 295 students enrolled. It is a middle school in San Carlos, AZ.
What percentage of students receive free lunch at San Carlos Middle School?
68.9% of students at San Carlos Middle School are eligible for free lunch, compared to the Arizona average of 48.3%.
What is the racial and ethnic makeup of San Carlos Middle School?
The largest demographic group at San Carlos Middle School is American Indian / Alaska Native at 98.3% of enrollment, in San Carlos, AZ.
What is the Resource Investment Index for San Carlos Middle School?
San Carlos Middle School has a Resource Investment Index of 36/100 (typical reported resources relative to schools nationally) based on 2 factors: student-teacher ratio, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology). Limited indicators were available, so the index reflects partial data.
Is San Carlos Middle School a good school?
San Carlos Middle School earns 36/100 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 Middle School, San Carlos Unified District (4210) also operates Rice Elementary School (673 students), San Carlos High School (433 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.