Enrollment
164
Arizona · 2024-25 NCES data
Middle school (grades 6-8) · Sanders, AZ
Federal NCES profile for Sanders Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 36/100.
The verdict
Sanders Middle School earns 36/100 on the Resource Investment Index, with class sizes near the Arizona median.
Sanders Middle School has class sizes near the Arizona median. Computed live against every Arizona school reporting to NCES.
By Resource Investment Index, Sanders Middle School ranks #2 of 3 public schools in Sanders, AZ.
NCES ID 040674001043 Verify on NCES CCD record →
Enrollment
164
Arizona · 2024-25 NCES data
Teachers (FTE)
10.0
Federal CCD staff survey
Students per teacher
16.4:1
vs 17:1 Arizona avg
-4% vs state
Free-lunch eligible
86.7%
vs 48.3% Arizona avg
+80% vs state
How Sanders Middle School compares with Arizona and U.S. medians
At or below state median
16.4:1 - 0.6 below the Arizona state median of 17:1, indicating smaller average class loads than typical schools in the state.
Sanders Middle School is a high-poverty, mid-sized middle school in Sanders, Arizona, enrolling 164 students.
At 16.4:1, its student-teacher ratio sits close to the Arizona median, within a few percentage points of the 17:1 state norm, neither notably crowded nor notably small.
Economic need is high: 86.7% of students qualify for free meals, 80% above the Arizona average, a Title I-weighted population that federal funding formulas prioritise.
Enrollment of 164 puts it in the smaller third of Arizona schools by headcount.
Its Resource Investment Index lands in the upper third of 2,064 scored Arizona schools.
Against 59 statewide peers matched on enrollment and economic need, it ranks mid-pack at #26.
Its student body is predominantly American Indian / Alaska Native (85% of enrollment) (diversity index 27/100).
Counselor coverage is strong, about 109 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 82.9% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Sanders Unified District (4156) spends $20,044 per pupil, 52% above the Arizona average, a better-resourced district than most.
Its district draws 61.5% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Sanders Unified District (4156) also operates Sanders Elementary School (267 students) and Valley High School (193 students) alongside Sanders 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
Sanders Middle School on the metrics families compare, against Arizona and U.S. means.
| Metric | This school | vs Arizona | Arizona avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 16.4:1 | ▼ 4% | 17:1 | 15.7:1 |
| Free-lunch eligible | 86.7% | ▲ 80% | 48.3% | 51.7% |
| Enrollment | 164 | top 75% | - | - |
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: American Indian / Alaska Native at 84.8% of enrollment.
Simpson diversity index - at 27.3, Sanders Middle School is less mixed than the Arizona school average of 47.2.
District-wide per-pupil expenditure for Sanders Unified District (4156), which includes Sanders Middle School.
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 |
|---|---|---|---|
| Sanders Elementary School | Larger | Similar economic need | Lower S:T ratio |
| Valley High School | Similar size | Similar economic need | Lower S:T ratio |
Comparisons are relative to Sanders Middle School's own figures; each column derives from NCES Common Core of Data.
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 Sanders Middle School'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.
Sanders Middle School has 164 students enrolled. It is a middle school in Sanders, AZ.
The student-teacher ratio at Sanders Middle School is 16.4:1, which is 4% lower than the Arizona average of 17:1 and 4% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
86.7% of students at Sanders Middle School are eligible for free lunch, compared to the Arizona average of 48.3%.
The largest demographic group at Sanders Middle School is American Indian / Alaska Native at 84.8% of enrollment, in Sanders, AZ.
Sanders Middle School has a Resource Investment Index of 36/100 (typical 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).
By Resource Investment Index, Sanders Middle School ranks #2 of 3 public schools in Sanders, AZ. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Sanders on the city page.
Sanders Middle School earns 36/100 on the Resource Investment Index, with class sizes near the Arizona median. 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 Sanders Middle School, Sanders Unified District (4156) also operates Sanders Elementary School (267 students) and Valley High School (193 students). See the Sanders Unified District (4156) 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.
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Last updated:
PlainSchools, “Sanders Middle School, Sanders AZ.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/sanders-middle-school-az
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