Enrollment
386
Arizona · 2024-25 NCES data
Other / mixed grade configuration · Mesa, AZ
O'connor Elementary School
Federal NCES profile for O'connor Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 30/100.
2024-25 NCES dataOther / mixed grade configurationNCES 040497001305
👥 S:T ratio 48
🌟 Gifted program 70
🎓 Counselors 0
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
O'connor Elementary School earns 30/100 on the Resource Investment Index, even as it posts class sizes smaller than 80% of Arizona schools.
- #52 of 70
- schools in Mesa · Resource Index
- 30
- Resource Index · Lower
- 12.9:1
- small classes for Arizona
- 45.8%
- free-lunch eligible
O'connor Elementary School has class sizes smaller than 80% of Arizona schools. Computed live against every Arizona school reporting to NCES.
By Resource Investment Index, O'connor Elementary School ranks #52 of 70 schools in Mesa, AZ.
School address
District: Mesa Unified District (4235) · Arizona
NCES ID 040497001305 Verify on NCES CCD record →
Teachers (FTE)
30.0
Federal CCD staff survey
Students per teacher
12.9:1
vs 17:1 Arizona avg
-24% vs state
Free-lunch eligible
45.8%
vs 48.3% Arizona avg
-5% vs state
Student-teacher ratio in context
How O'connor Elementary School compares with Arizona and U.S. medians
What stands out at O'connor Elementary School
O'connor Elementary School is a mid-sized combined-grade school in Mesa, Arizona, enrolling 386 students.
Class sizes run a bit leaner than typical: 12.9:1 puts it in the smaller third of Arizona schools by student-teacher ratio.
Its free-meal eligibility rate of 45.8% lands close to the Arizona typical range, neither a high- nor low-need campus by this measure.
With 386 students, its enrollment sits close to the Arizona median campus size.
Its Resource Investment Index sits near the middle of the pack among 2,064 scored Arizona schools.
Against 278 statewide peers matched on enrollment and economic need, it ranks mid-pack at #140.
Its student body is led by White (45%) and Hispanic or Latino (41%) (diversity index 63/100).
Counselor access is stretched at roughly 772 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 42.0% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 18.1% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Among Mesa's public schools, it stands alongside Eastmark High School (1,889 students): O'connor Elementary School is smaller than that campus by headcount and runs leaner classes (12.9:1 vs 23.6:1).
Mesa Unified District (4235) also operates Mountain View High School (3,421 students) and Red Mountain High School (3,379 students) alongside O'connor 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
How O'connor Elementary School compares
O'connor 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 | 12.9:1 | ▼ 24% | 17:1 | 15.7:1 |
| Free-lunch eligible | 45.8% | ▼ 5% | 48.3% | 51.7% |
| Enrollment | 386 | top 53% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
12.9:1
Leaner classes than 68% of US schools, among the more generously staffed nationally.
386
Bigger than 45% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
45.8%
free-lunch eligible
- 5% below the Arizona average of 48.3%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
12.9:1
students per teacher
- 24% below state mean
Top 20% in Arizona - lower ratio than 80% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
42.0%
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
$11,160
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
Counselors0.5 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
6
in-school suspensions + 7 out-of-school
Suspension rate: 1.6 per 100 students. Combined in-school and out-of-school rate: 3.4 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
White 44.8%
Hispanic or Latino 40.9%
Two or More 6.0%
African American 4.4%
Asian 1.8%
American Indian / Alaska Native 1.3%
Native Hawaiian / Pacific Islander 0.8%
Largest group: White at 44.8% of enrollment.
Student-body diversity index 62.6/100
Simpson diversity index - at 62.6, O'connor Elementary School is more mixed than the Arizona school average of 47.2.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Mesa Unified District (4235), which includes O'connor Elementary School.
$11,160
Per student
-15%
vs Arizona
Avg $13,145
-33%
vs U.S.
Avg $16,593
Revenue mix
Local 37.4%
State 44.5%
Federal 18.1%
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 O'connor Elementary School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Mountain View High School | Larger | Lower economic need | Higher S:T ratio |
| Red Mountain High School | Larger | Lower economic need | Higher S:T ratio |
| Mesa High School | Larger | Similar economic need | Higher S:T ratio |
| Westwood High School | Larger | Similar economic need | Higher S:T ratio |
| Dobson High School | Larger | Similar economic need | Higher S:T ratio |
Comparisons are relative to O'connor Elementary School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 3,421
- Students per teacher
- 21.4:1
- Resource Index
- 36/100
- Enrollment
- 3,379
- Students per teacher
- 20.4:1
- Resource Index
- 38/100
- Enrollment
- 3,233
- Students per teacher
- 19.5:1
- Resource Index
- 40/100
- Enrollment
- 3,135
- Students per teacher
- 18.4:1
- Resource Index
- 45/100
- Enrollment
- 2,284
- Students per teacher
- 19.5:1
- Resource Index
- 39/100
Similar other schools in Mesa
6 comparable other schools (grades Mixed) serving the same city.
Eastmark High School
Standard public school
1,889 students 23.6:1 students per teacher
Sequoia Choice School Arizona Distance Learning School
Standard public school
1,711 students
Silver Valley Elementary
Standard public school
1,384 students 22.7:1 students per teacher
Astravo Online Academy
Standard public school
849 students
Eagleridge Enrichment Program
Standard public school
694 students 63.1:1 students per teacher
American Leadership Academy Virtual
Standard public school
660 students
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 (~386 students)
Next steps
Verify locally before acting on O'connor Elementary School's federal record.
- Compare O'connor Elementary School against another school. Compare schools
- Mesa Unified District (4235)'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 O'connor Elementary School
How many students attend O'connor Elementary School?
O'connor Elementary School has 386 students enrolled. It is a public school in Mesa, AZ.
What is the student-teacher ratio at O'connor Elementary School?
The student-teacher ratio at O'connor Elementary School is 12.9:1, which is 24% lower than the Arizona average of 17:1 and 18% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at O'connor Elementary School?
45.8% of students at O'connor Elementary School are eligible for free lunch, compared to the Arizona average of 48.3%.
What is the racial and ethnic makeup of O'connor Elementary School?
The largest demographic group at O'connor Elementary School is White at 44.8% of enrollment, in Mesa, AZ. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 62.6/100.
What is the Resource Investment Index for O'connor Elementary School?
O'connor Elementary School has a Resource Investment Index of 30/100 (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).
How does O'connor Elementary School rank among schools in Mesa?
By Resource Investment Index, O'connor Elementary School ranks #52 of 70 schools in Mesa, AZ. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Mesa on the city page.
Is O'connor Elementary School a good school?
O'connor Elementary School earns 30/100 on the Resource Investment Index, even as it posts class sizes smaller than 80% of 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 Mesa Unified District (4235)?
Besides O'connor Elementary School, Mesa Unified District (4235) also operates Mountain View High School (3,421 students), Red Mountain High School (3,379 students), and Mesa High School (3,233 students). See the Mesa Unified District (4235) 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.