Enrollment
352
Arizona · 2024-25 NCES data
Other / mixed grade configuration · Yuma, AZ
Federal NCES profile for O C Johnson School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 25/100.
The verdict
O C Johnson School earns 25/100 on the Resource Investment Index, with class sizes near the Arizona median. It is also less racially and ethnically mixed than most Arizona schools.
O C Johnson School has class sizes near the Arizona median. Computed live against every Arizona school reporting to NCES.
By Resource Investment Index, O C Johnson School ranks #12 of 21 schools in Yuma, AZ.
NCES ID 040960000991 Verify on NCES CCD record →
Enrollment
352
Arizona · 2024-25 NCES data
Teachers (FTE)
23.0
Federal CCD staff survey
Students per teacher
15.3:1
vs 17:1 Arizona avg
-10% vs state
Free-lunch eligible
73.9%
vs 48.3% Arizona avg
+53% vs state
How O C Johnson School compares with Arizona and U.S. medians
At or below state median
15.3:1 - 1.7 below the Arizona state median of 17:1, indicating smaller average class loads than typical schools in the state.
O C Johnson School is a higher-need, mid-sized combined-grade school in Yuma, Arizona, enrolling 352 students.
Class sizes run a bit leaner than typical: 15.3:1 puts it in the smaller third of Arizona schools by student-teacher ratio.
Economic need runs somewhat above the state's typical profile, with 73.9% of students eligible for free meals.
With 352 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 250 similarly sized, similarly resourced-need Arizona schools statewide, it ranks #178, in the lower tier once campus size and economic need are matched.
Its student body is predominantly Hispanic or Latino (90% of enrollment), among the less diverse in the state (diversity index 19/100).
Counselor availability sits well past the ASCA benchmark, roughly 352 students sharing each counselor, though short of the most stretched campuses.
Chronic absenteeism is elevated: 49.4% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Yuma Elementary District (4499) spends $9,775 per pupil, 26% below the Arizona average, a leaner-resourced district than most.
Its district draws 32.3% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Among Yuma's public schools, it stands alongside Sunrise Elementary School (655 students): O C Johnson School is smaller than that campus by headcount and runs leaner classes (15.3:1 vs 21.1:1).
Yuma Elementary District (4499) also operates Castle Dome Middle School (939 students) and Mary a Otondo Elementary School (893 students) alongside O C Johnson 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
O C Johnson 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 | 15.3:1 | ▼ 10% | 17:1 | 15.7:1 |
| Free-lunch eligible | 73.9% | ▲ 53% | 48.3% | 51.7% |
| Enrollment | 352 | top 57% | - | - |
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 89.8% of enrollment.
Simpson diversity index - at 18.8, O C Johnson School is less mixed than the Arizona school average of 47.2.
District-wide per-pupil expenditure for Yuma Elementary District (4499), which includes O C Johnson 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 |
|---|---|---|---|
| Castle Dome Middle School | Larger | Lower economic need | Higher S:T ratio |
| Mary a Otondo Elementary School | Larger | Lower economic need | Higher S:T ratio |
| Desert Mesa Elementary School | Larger | Lower economic need | Higher S:T ratio |
| Sunrise Elementary School | Larger | Lower economic need | Higher S:T ratio |
| R Pete Woodard Jr High School | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to O C Johnson School's own figures; each column derives from NCES Common Core of Data.
4 comparable other schools (grades Mixed) 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 O C Johnson 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.
O C Johnson School has 352 students enrolled. It is a public school in Yuma, AZ.
The student-teacher ratio at O C Johnson School is 15.3:1, which is 10% lower than the Arizona average of 17:1 and 3% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
73.9% of students at O C Johnson School are eligible for free lunch, compared to the Arizona average of 48.3%.
The largest demographic group at O C Johnson School is Hispanic or Latino at 89.8% of enrollment, in Yuma, AZ.
O C Johnson School has a Resource Investment Index of 25/100 (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, O C Johnson School ranks #12 of 21 schools in Yuma, AZ. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Yuma on the city page.
O C Johnson School earns 25/100 on the Resource Investment Index, with class sizes near the Arizona median. 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 O C Johnson School, Yuma Elementary District (4499) also operates Castle Dome Middle School (939 students), Mary a Otondo Elementary School (893 students), and Desert Mesa Elementary School (876 students). See the Yuma Elementary District (4499) 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, “O C Johnson School, Yuma 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/o-c-johnson-school-az
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