Enrollment
536
California · 2024-25 NCES data
Elementary school (grades K-5) · Fresno, CA
Mario G. Olmos Elementary
Federal NCES profile for Mario G. Olmos Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 19/100.
2024-25 NCES dataElementary school (grades K-5)NCES 061455011998
👥 S:T ratio 26
🌟 Gifted program 30
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Mario G. Olmos Elementary earns 19/100 on the Resource Investment Index, even as it posts class sizes smaller than 76% of California schools.
- #49 of 115
- elementary schools in Fresno · Resource Index
- 19
- Resource Index · Lower
- 18.5:1
- small classes for California
- 80.4%
- free-lunch eligible
Mario G. Olmos Elementary has class sizes smaller than 76% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Mario G. Olmos Elementary ranks #49 of 115 elementary schools in Fresno, CA.
School address
District: Fresno Unified · California
NCES ID 061455011998 Verify on NCES CCD record →
Teachers (FTE)
29.0
Federal CCD staff survey
Students per teacher
18.5:1
vs 21.5:1 California avg
-14% vs state
Free-lunch eligible
80.4%
vs 55.5% California avg
+45% vs state
Student-teacher ratio in context
How Mario G. Olmos Elementary compares with California and U.S. medians
What stands out at Mario G. Olmos Elementary
Mario G. Olmos Elementary is a high-poverty, mid-sized elementary school in Fresno, California, enrolling 536 students.
Class sizes run a bit leaner than typical: 18.5:1 puts it in the smaller third of California schools by student-teacher ratio.
Economic need runs somewhat above the state's typical profile, with 80.4% of students eligible for free meals.
With 536 students, its enrollment sits close to the California median campus size.
Its Resource Investment Index lands in the lower third of 9,998 scored California schools.
Against 2,138 statewide peers matched on enrollment and economic need, it ranks mid-pack at #1,491.
Its student body is predominantly Hispanic or Latino (82% of enrollment) (diversity index 32/100).
Chronic absenteeism is elevated: 57.8% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 21.2% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Among Fresno's elementary schools, it stands alongside Harvest Elementary (1,010 students): Mario G. Olmos Elementary is smaller than that campus by headcount and runs leaner classes (18.5:1 vs 29.7:1).
Fresno Unified also operates Sunnyside High (2,858 students) and Bullard High (2,485 students) alongside Mario G. Olmos Elementary.
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 Mario G. Olmos Elementary compares
Mario G. Olmos Elementary on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 18.5:1 | ▼ 14% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 80.4% | ▲ 45% | 55.5% | 51.7% |
| Enrollment | 536 | top 40% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
18.5:1
Leaner classes than 22% of US schools, heavier class loads than most.
536
Bigger than 66% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
80.4%
free-lunch eligible
- 45% above the California average of 55.5%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
18.5:1
students per teacher
- 14% below state mean
Top 24% in California - lower ratio than 76% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
57.8%
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
$18,783
per pupil, district-wide
- above California avg of $16,509
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
12
in-school suspensions + 17 out-of-school
Suspension rate: 2.2 per 100 students. Combined in-school and out-of-school rate: 5.4 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 81.9%
Asian 10.1%
African American 3.9%
White 1.9%
Two or More 1.3%
American Indian / Alaska Native 0.6%
Native Hawaiian / Pacific Islander 0.4%
Largest group: Hispanic or Latino at 81.9% of enrollment.
Student-body diversity index 31.7/100
Simpson diversity index - at 31.7, Mario G. Olmos Elementary is less mixed than the California school average of 46.0.
Programs
Funding & spending
District-wide per-pupil expenditure for Fresno Unified, which includes Mario G. Olmos Elementary.
$18,783
Per student
+14%
vs California
Avg $16,509
+13%
vs U.S.
Avg $16,593
Revenue mix
Local 12.0%
State 66.8%
Federal 21.2%
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 Mario G. Olmos Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Sunnyside High | Larger | Lower economic need | Higher S:T ratio |
| Bullard High | Larger | Lower economic need | Higher S:T ratio |
| Edison High | Larger | Lower economic need | Higher S:T ratio |
| Roosevelt High | Larger | Lower economic need | Similar S:T ratio |
| Mclane High | Larger | Similar economic need | Higher S:T ratio |
Comparisons are relative to Mario G. Olmos Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,858
- Students per teacher
- 21.8:1
- Resource Index
- 33/100
- Enrollment
- 2,485
- Students per teacher
- 21.8:1
- Resource Index
- 31/100
- Enrollment
- 2,339
- Students per teacher
- 21.7:1
- Resource Index
- 31/100
- Enrollment
- 2,175
- Students per teacher
- 18.9:1
- Resource Index
- 35/100
- Enrollment
- 2,056
- Students per teacher
- 22.6:1
- Resource Index
- 29/100
Similar elementary schools in Fresno
6 comparable elementary schools (grades K-5) serving the same city.
Harvest Elementary
Standard public school
1,010 students 29.7:1 students per teacher
James S. Fugman Elementary
Standard public school
893 students 28.8:1 students per teacher
Roger S. Oraze Elementary
Standard public school
868 students 25.5:1 students per teacher
Thomas Elementary
Standard public school
859 students 24.5:1 students per teacher
Ewing Elementary
Standard public school
842 students 20.5:1 students per teacher
John S. Wash Elementary
Standard public school
838 students 27.9:1 students per teacher
Similar elementary schools statewide
Matched by enrollment size and by staffing ratio across all of California, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~536 students)
Similar student-teacher ratio (~18.5:1)
Next steps
Verify locally before acting on Mario G. Olmos Elementary's federal record.
- Compare Mario G. Olmos Elementary against another school. Compare schools
- Fresno Unified'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 Mario G. Olmos Elementary
How many students attend Mario G. Olmos Elementary?
Mario G. Olmos Elementary has 536 students enrolled. It is an elementary school in Fresno, CA.
What is the student-teacher ratio at Mario G. Olmos Elementary?
The student-teacher ratio at Mario G. Olmos Elementary is 18.5:1, which is 14% lower than the California average of 21.5:1 and 18% higher 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 Mario G. Olmos Elementary?
80.4% of students at Mario G. Olmos Elementary are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Mario G. Olmos Elementary?
The largest demographic group at Mario G. Olmos Elementary is Hispanic or Latino at 81.9% of enrollment, in Fresno, CA.
What is the Resource Investment Index for Mario G. Olmos Elementary?
Mario G. Olmos Elementary has a Resource Investment Index of 19/100 (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).
How does Mario G. Olmos Elementary rank among elementary schools in Fresno?
By Resource Investment Index, Mario G. Olmos Elementary ranks #49 of 115 elementary schools in Fresno, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Fresno on the city page.
Is Mario G. Olmos Elementary a good school?
Mario G. Olmos Elementary earns 19/100 on the Resource Investment Index, even as it posts class sizes smaller than 76% of California 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 Fresno Unified?
Besides Mario G. Olmos Elementary, Fresno Unified also operates Sunnyside High (2,858 students), Bullard High (2,485 students), and Edison High (2,339 students). See the Fresno Unified 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.