Enrollment
801
Arizona · 2024-25 NCES data
Elementary school (grades K-5) · Tucson, AZ
Federal NCES profile for Sierra 2-8 School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 27/100.
The verdict
Sierra 2-8 School earns 27/100 on the Resource Investment Index, with class sizes larger than 76% of Arizona schools. It is also less racially and ethnically mixed than most Arizona schools.
Sierra 2-8 School has class sizes larger than 76% of Arizona schools. Computed live against every Arizona school reporting to NCES.
By Resource Investment Index, Sierra 2-8 School ranks #41 of 54 elementary schools in Tucson, AZ.
NCES ID 040817001149 Verify on NCES CCD record →
Enrollment
801
Arizona · 2024-25 NCES data
Teachers (FTE)
40.0
Federal CCD staff survey
Students per teacher
20:1
vs 17:1 Arizona avg
+18% vs state
Free-lunch eligible
79.0%
vs 48.3% Arizona avg
+64% vs state
How Sierra 2-8 School compares with Arizona and U.S. medians
Slightly above state median
20:1 - 3.0 above the Arizona state median of 17:1, indicating larger average class loads than typical schools in the state.
Sierra 2-8 School is a high-poverty, large elementary school in Tucson, Arizona, enrolling 801 students.
Class loads run somewhat heavier than typical: 20:1 puts it in the larger third of Arizona schools by student-teacher ratio.
Economic need is high: 79.0% of students qualify for free meals, 64% above the Arizona average, a Title I-weighted population that federal funding formulas prioritise.
Enrollment of 801 puts it in the larger third of Arizona schools by headcount.
Its Resource Investment Index lands in the lower third of 2,064 scored Arizona schools.
Against 149 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #57.
Its student body is predominantly Hispanic or Latino (90% of enrollment), among the less diverse in the state (diversity index 19/100).
Counselor access is stretched at roughly 401 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 94.0% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Sunnyside Unified District (4407) spends $9,713 per pupil, 26% below the Arizona average, a leaner-resourced district than most.
Its district draws 32.5% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Discipline events run high: 250 in- and out-of-school suspensions were reported for 801 students in the 2021-22 Civil Rights Data Collection.
Among Tucson's elementary schools, it stands alongside Los Amigos Elementary School (613 students): Sierra 2-8 School is larger than that campus by headcount and runs heavier classes (20:1 vs 17.5:1).
Sunnyside Unified District (4407) also operates Sunnyside High School (2,258 students) and Desert View High School (2,102 students) alongside Sierra 2-8 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
Sierra 2-8 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 | 20:1 | ▲ 18% | 17:1 | 15.7:1 |
| Free-lunch eligible | 79.0% | ▲ 64% | 48.3% | 51.7% |
| Enrollment | 801 | top 15% | - | - |
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: Hispanic or Latino at 89.9% of enrollment.
Simpson diversity index - at 18.9, Sierra 2-8 School is less mixed than the Arizona school average of 47.2.
District-wide per-pupil expenditure for Sunnyside Unified District (4407), which includes Sierra 2-8 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 |
|---|---|---|---|
| Sunnyside High School | Larger | Lower economic need | Higher S:T ratio |
| Desert View High School | Larger | Lower economic need | Similar S:T ratio |
| Gallego Intermediate Fine Arts Magnet School | Similar size | Lower economic need | Similar S:T ratio |
| Elvira Elementary School | Similar size | Lower economic need | Higher S:T ratio |
| Los Amigos Elementary School | Similar size | Similar economic need | Lower S:T ratio |
Comparisons are relative to Sierra 2-8 School's own figures; each column derives from NCES Common Core of Data.
5 comparable elementary schools (grades K-5) serving the same city.
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 Sierra 2-8 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.
Sierra 2-8 School has 801 students enrolled. It is an elementary school in Tucson, AZ.
The student-teacher ratio at Sierra 2-8 School is 20:1, which is 18% higher than the Arizona average of 17:1 and 27% higher than the national average of 15.7:1.
79.0% of students at Sierra 2-8 School are eligible for free lunch, compared to the Arizona average of 48.3%.
The largest demographic group at Sierra 2-8 School is Hispanic or Latino at 89.9% of enrollment, in Tucson, AZ.
Sierra 2-8 School has a Resource Investment Index of 27/100 (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).
By Resource Investment Index, Sierra 2-8 School ranks #41 of 54 elementary schools in Tucson, 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 Tucson on the city page.
Sierra 2-8 School earns 27/100 on the Resource Investment Index, with class sizes larger than 76% of Arizona schools. 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.
Besides Sierra 2-8 School, Sunnyside Unified District (4407) also operates Sunnyside High School (2,258 students), Desert View High School (2,102 students), and Gallego Intermediate Fine Arts Magnet School (768 students). See the Sunnyside Unified District (4407) 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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PlainSchools, “Sierra 2-8 School, Tucson 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/sierra-2-8-school-az
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