Enrollment
340
Arizona · 2024-25 NCES data
Elementary school (grades K-5) · Buckeye, AZ
Federal NCES profile for Tartesso Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 22/100.
The verdict
Tartesso Elementary School earns 22/100 on the Resource Investment Index, with class sizes near the Arizona median.
Tartesso Elementary School has class sizes near the Arizona median. Computed live against every Arizona school reporting to NCES.
By Resource Investment Index, Tartesso Elementary School ranks #4 of 5 elementary schools in Buckeye, AZ.
NCES ID 040717002812 Verify on NCES CCD record →
Enrollment
340
Arizona · 2024-25 NCES data
Teachers (FTE)
21.0
Federal CCD staff survey
Students per teacher
16.2:1
vs 17:1 Arizona avg
-5% vs state
Free-lunch eligible
33.0%
vs 48.3% Arizona avg
-32% vs state
How Tartesso Elementary School compares with Arizona and U.S. medians
At or below state median
16.2:1 - 0.8 below the Arizona state median of 17:1, indicating smaller average class loads than typical schools in the state.
Tartesso Elementary School is a mid-sized elementary school in Buckeye, Arizona, enrolling 340 students.
At 16.2:1, 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 runs somewhat below the state's typical profile, with 33.0% of students eligible for free meals.
With 340 students, its enrollment sits close to the Arizona median campus size.
Its Resource Investment Index lands in the lower third of 2,064 scored Arizona schools.
Among 198 similarly sized, similarly resourced-need Arizona schools statewide, it ranks #150, in the lower tier once campus size and economic need are matched.
Its student body is led by Hispanic or Latino (57%) and White (29%) (diversity index 58/100).
Counselor access is stretched at roughly 680 students per counselor, well above the ASCA-recommended 250:1 ceiling.
The surrounding Saddle Mountain Unified School District (4254) spends $8,894 per pupil, 32% below the Arizona average, a leaner-resourced district than most.
Among Buckeye's elementary schools, it stands alongside Great Hearts Academies - Roosevelt (934 students): Tartesso Elementary School is smaller than that campus by headcount.
Saddle Mountain Unified School District (4254) also operates Tonopah Valley High School (869 students) and Ruth Fisher Middle School (745 students) alongside Tartesso Elementary 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
Tartesso Elementary 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 | 16.2:1 | ▼ 5% | 17:1 | 15.7:1 |
| Free-lunch eligible | 33.0% | ▼ 32% | 48.3% | 51.7% |
| Enrollment | 340 | top 58% | - | - |
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 57.4% of enrollment.
Simpson diversity index - at 57.8, Tartesso Elementary School is more mixed than the Arizona school average of 47.2.
District-wide per-pupil expenditure for Saddle Mountain Unified School District (4254), which includes Tartesso Elementary 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 |
|---|---|---|---|
| Tonopah Valley High School | Larger | Similar economic need | Higher S:T ratio |
| Ruth Fisher Middle School | Larger | Higher economic need | Higher S:T ratio |
| Winters Well Elementary School | Larger | Higher economic need | Higher S:T ratio |
| Desert Sunset Elementary School | Larger | Similar economic need | Higher S:T ratio |
Comparisons are relative to Tartesso Elementary School's own figures; each column derives from NCES Common Core of Data.
1 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 Tartesso Elementary 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.
Tartesso Elementary School has 340 students enrolled. It is an elementary school in Buckeye, AZ.
The student-teacher ratio at Tartesso Elementary School is 16.2:1, which is 5% lower than the Arizona average of 17:1 and 3% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
33.0% of students at Tartesso Elementary School are eligible for free lunch, compared to the Arizona average of 48.3%.
The largest demographic group at Tartesso Elementary School is Hispanic or Latino at 57.4% of enrollment, in Buckeye, AZ. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 57.8/100.
Tartesso Elementary School has a Resource Investment Index of 22/100 (lower reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Tartesso Elementary School ranks #4 of 5 elementary schools in Buckeye, 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 Buckeye on the city page.
Tartesso Elementary School earns 22/100 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 Tartesso Elementary School, Saddle Mountain Unified School District (4254) also operates Tonopah Valley High School (869 students), Ruth Fisher Middle School (745 students), and Winters Well Elementary School (663 students). See the Saddle Mountain Unified School District (4254) 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, “Tartesso Elementary School, Buckeye 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/tartesso-elementary-school-az
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