Other / mixed grade configuration · Yuma, AZ

Mary a Otondo Elementary School

Federal NCES profile for Mary a Otondo Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 8/100.

2024-25 NCES dataOther / mixed grade configurationNCES 040960001572
0/100100/1008/100
👥 S:T ratio
0
🌟 Gifted program
30
🎓 Counselors
0
📋 Attendance
4
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

Mary a Otondo Elementary School earns 8/100 on the Resource Investment Index, with class sizes larger than 96% of Arizona schools.

#21 of 21
schools in Yuma · Resource Index
8
Resource Index · Lower
26.3:1
large classes for Arizona
53.9%
free-lunch eligible

Mary a Otondo Elementary School has class sizes larger than 96% of Arizona schools. Computed live against every Arizona school reporting to NCES.

By Resource Investment Index, Mary a Otondo Elementary School ranks #21 of 21 schools in Yuma, AZ.

Enrollment

893

Arizona · 2024-25 NCES data

Teachers (FTE)

34.0

Federal CCD staff survey

Students per teacher

26.3:1

vs 17:1 Arizona avg

+55% vs state

Free-lunch eligible

53.9%

vs 48.3% Arizona avg

+12% vs state

Student-teacher ratio in context

How Mary a Otondo Elementary School compares with Arizona and U.S. medians

Larger classes than state median

Source: NCES Common Core of Data As of 2024-25 federal staff survey Total enrollment ÷ full-time-equivalent classroom teachers

What stands out at Mary a Otondo Elementary School

Mary a Otondo Elementary School is a higher-need, large combined-grade school in Yuma, Arizona, enrolling 893 students.

Class loads run heavy: 26.3:1 is larger than about 96% of Arizona schools and 55% above the 17:1 state mean, so each teacher carries more students than is typical.

Its free-meal eligibility rate of 53.9% lands close to the Arizona typical range, neither a high- nor low-need campus by this measure.

Enrollment of 893 puts it in the larger third of Arizona schools by headcount.

Its Resource Investment Index trails 99% of the 2,064 Arizona schools with a score on record, one of the lower results on this measure.

Among 225 similarly sized, similarly resourced-need Arizona schools statewide, it ranks #224, in the lower tier once campus size and economic need are matched.

Its student body is led by Hispanic or Latino (73%) and White (23%) (diversity index 41/100).

Counselor access is stretched at roughly 893 students per counselor, well above the ASCA-recommended 250:1 ceiling.

Chronic absenteeism is elevated: 38.5% 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): Mary a Otondo Elementary School is larger than that campus by headcount and runs heavier classes (26.3:1 vs 21.1:1).

Yuma Elementary District (4499) also operates Castle Dome Middle School (939 students) and Desert Mesa Elementary School (876 students) alongside Mary a Otondo 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 Mary a Otondo Elementary School compares

Mary a Otondo 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 26.3:1 ▲ 55% 17:1 15.7:1
Free-lunch eligible 53.9% ▲ 12% 48.3% 51.7%
Enrollment 893 top 12% - -

Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25

26.3:1
Leaner classes than 4% of US schools, heavier class loads than most.
893
Bigger than 89% of US schools by enrollment, a large campus nationally.

Equity indicators (what these measure)

Economic need
53.9%
free-lunch eligible - 12% 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
26.3:1
students per teacher - 55% above state mean
Top 96% in Arizona - lower ratio than 4% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
38.5%
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
$9,775
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
Counselors1.0 FTE
Per 893 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 4 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.4 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 73.0%
White 23.0%
Two or More 1.9%
African American 1.3%
American Indian / Alaska Native 0.4%
Asian 0.2%
Native Hawaiian / Pacific Islander 0.1%

Largest group: Hispanic or Latino at 73.0% of enrollment.

Student-body diversity index 41.4/100

Simpson diversity index - at 41.4, Mary a Otondo Elementary School is less mixed than the Arizona school average of 47.2.

Programs

Funding & spending

District-wide per-pupil expenditure for Yuma Elementary District (4499), which includes Mary a Otondo Elementary School.

$9,775
Per student
-26%
vs Arizona
Avg $13,145
-41%
vs U.S.
Avg $16,593
Revenue mix
Local 22.6%
State 45.2%
Federal 32.3%

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 Mary a Otondo Elementary School Compares to District-Mates

School Enrollment Economic Profile Student-Teacher Ratio
Castle Dome Middle School Similar size Similar economic need Similar S:T ratio
Desert Mesa Elementary School Similar size Similar economic need Lower S:T ratio
Sunrise Elementary School Smaller Similar economic need Lower S:T ratio
R Pete Woodard Jr High School Smaller Similar economic need Lower S:T ratio
Dorothy Hall Elementary Smaller Lower economic need Lower S:T ratio

Comparisons are relative to Mary a Otondo Elementary School's own figures; each column derives from NCES Common Core of Data.

Other Schools in This District

Yuma Elementary District (4499) · 5 sibling schools

View district profile

Similar other schools in Yuma

4 comparable other schools (grades Mixed) serving the same city.

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.

Next steps

Verify locally before acting on Mary a Otondo 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.

Frequently asked questions about Mary a Otondo Elementary School

How many students attend Mary a Otondo Elementary School?

Mary a Otondo Elementary School has 893 students enrolled. It is a public school in Yuma, AZ.

What is the student-teacher ratio at Mary a Otondo Elementary School?

The student-teacher ratio at Mary a Otondo Elementary School is 26.3:1, which is 55% higher than the Arizona average of 17:1 and 68% higher than the national average of 15.7:1.

What percentage of students receive free lunch at Mary a Otondo Elementary School?

53.9% of students at Mary a Otondo Elementary School are eligible for free lunch, compared to the Arizona average of 48.3%.

What is the racial and ethnic makeup of Mary a Otondo Elementary School?

The largest demographic group at Mary a Otondo Elementary School is Hispanic or Latino at 73.0% of enrollment, in Yuma, AZ.

What is the Resource Investment Index for Mary a Otondo Elementary School?

Mary a Otondo Elementary School has a Resource Investment Index of 8/100 (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 Mary a Otondo Elementary School rank among schools in Yuma?

By Resource Investment Index, Mary a Otondo Elementary School ranks #21 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.

Is Mary a Otondo Elementary School a good school?

Mary a Otondo Elementary School earns 8/100 on the Resource Investment Index, with class sizes larger than 96% 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 Yuma Elementary District (4499)?

Besides Mary a Otondo Elementary School, Yuma Elementary District (4499) also operates Castle Dome Middle School (939 students), Desert Mesa Elementary School (876 students), and Sunrise Elementary School (655 students). See the Yuma Elementary District (4499) district page for the complete list.

Source: National Center for Education Statistics (NCES) CCD + Public School Universe (2024-25), CRDC (2021-22), F-33 District Finance Survey (FY 2021-22) · 2024-25 Data as of the 2024-25 school year. Coverage from U.S. Department of Education NCES Common Core of Data. Varies by entity type; administrative districts and certain charter networks may report only a subset of fields.

All federal data sources used on this page

Full source list and how we compute each figure: methodology page.

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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.