Enrollment
258
Arizona · 2024-25 NCES data
Other / mixed grade configuration · Ajo, AZ
Ajo Elementary School
Federal NCES profile for Ajo Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 20/100.
2024-25 NCES dataOther / mixed grade configurationNCES 040052000003
👥 S:T ratio 31
🌟 Gifted program 30
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Ajo Elementary School earns 20/100 on the Resource Investment Index, with class sizes near the Arizona median.
- 20
- Resource Index · Lower
- 17.2:1
- students per teacher
- 59.0%
- free-lunch eligible
- 258
- students enrolled
Ajo Elementary School has class sizes near the Arizona median. Computed live against every Arizona school reporting to NCES.
School address
District: Ajo Unified District (4409) · Arizona
NCES ID 040052000003 Verify on NCES CCD record →
Teachers (FTE)
15.0
Federal CCD staff survey
Students per teacher
17.2:1
vs 17:1 Arizona avg
+1% vs state
Free-lunch eligible
59.0%
vs 48.3% Arizona avg
+22% vs state
Student-teacher ratio in context
How Ajo Elementary School compares with Arizona and U.S. medians
What stands out at Ajo Elementary School
Ajo Elementary School is a higher-need, mid-sized combined-grade school in Ajo, Arizona, enrolling 258 students.
At 17.2:1, 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 above the state's typical profile, with 59.0% of students eligible for free meals.
Enrollment of 258 puts it in the smaller third of Arizona schools by headcount.
Its Resource Investment Index lands in the lower third of 2,064 scored Arizona schools.
Among 153 similarly sized, similarly resourced-need Arizona schools statewide, it ranks #131, in the lower tier once campus size and economic need are matched.
Its student body is led by Hispanic or Latino (72%) and White (11%) (diversity index 46/100).
Chronic absenteeism is elevated: 45.0% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Ajo Unified District (4409) spends $9,947 per pupil, 24% below the Arizona average, a leaner-resourced district than most.
Its district draws 19.0% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Discipline events run high: 63 in- and out-of-school suspensions were reported for 258 students in the 2021-22 Civil Rights Data Collection.
Its district, Ajo Unified District (4409), also runs Ajo High School (139 students).
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 Ajo Elementary School compares
Ajo 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 | 17.2:1 | ▲ 1% | 17:1 | 15.7:1 |
| Free-lunch eligible | 59.0% | ▲ 22% | 48.3% | 51.7% |
| Enrollment | 258 | top 66% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
17.2:1
Leaner classes than 29% of US schools, heavier class loads than most.
258
Bigger than 26% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
59.0%
free-lunch eligible
- 22% above the Arizona average of 48.3%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
17.2:1
students per teacher
- 1% above state mean
Top 56% in Arizona - lower ratio than 44% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
45.0%
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
$9,947
per pupil, district-wide
- below Arizona avg of $13,145
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
61
in-school suspensions + 2 out-of-school
Suspension rate: 23.6 per 100 students. Combined in-school and out-of-school rate: 24.4 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
Hispanic or Latino 72.1%
White 11.2%
American Indian / Alaska Native 10.5%
Two or More 3.9%
Asian 1.6%
African American 0.8%
Largest group: Hispanic or Latino at 72.1% of enrollment.
Student-body diversity index 45.5/100
Simpson diversity index - at 45.5, Ajo Elementary School is about as mixed as the Arizona school average of 47.2.
Programs
Funding & spending
District-wide per-pupil expenditure for Ajo Unified District (4409), which includes Ajo Elementary School.
$9,947
Per student
-24%
vs Arizona
Avg $13,145
-40%
vs U.S.
Avg $16,593
Revenue mix
Local 23.1%
State 57.9%
Federal 19.0%
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 Ajo Elementary School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Ajo High School | Smaller | Similar economic need | Higher S:T ratio |
Comparisons are relative to Ajo Elementary School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 139
- Students per teacher
- 46.3:1
- Resource Index
- 10/100
Similar other 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.
Similar enrollment (~258 students)
Next steps
Verify locally before acting on Ajo Elementary School's federal record.
- Compare Ajo Elementary School against another school. Compare schools
- Ajo Unified District (4409)'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 Ajo Elementary School
How many students attend Ajo Elementary School?
Ajo Elementary School has 258 students enrolled. It is a public school in Ajo, AZ.
What is the student-teacher ratio at Ajo Elementary School?
The student-teacher ratio at Ajo Elementary School is 17.2:1, which is 1% higher than the Arizona average of 17:1 and 10% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Ajo Elementary School?
59.0% of students at Ajo Elementary School are eligible for free lunch, compared to the Arizona average of 48.3%.
What is the racial and ethnic makeup of Ajo Elementary School?
The largest demographic group at Ajo Elementary School is Hispanic or Latino at 72.1% of enrollment, in Ajo, AZ.
What is the Resource Investment Index for Ajo Elementary School?
Ajo Elementary School has a Resource Investment Index of 20/100 (lower reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
Is Ajo Elementary School a good school?
Ajo Elementary School earns 20/100 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.
What other schools are in Ajo Unified District (4409)?
Besides Ajo Elementary School, Ajo Unified District (4409) also operates Ajo High School (139 students). See the Ajo Unified District (4409) 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.