Enrollment
532
California · 2024-25 NCES data
Elementary school (grades K-5) · Modesto, CA
Federal NCES profile for Mary Lou Dieterich Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 23/100.
The verdict
Mary Lou Dieterich Elementary earns 23/100 on the Resource Investment Index, with class sizes larger than 73% of California schools. It is also more racially and ethnically mixed than most California schools.
Mary Lou Dieterich Elementary has class sizes larger than 73% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Mary Lou Dieterich Elementary ranks #24 of 53 elementary schools in Modesto, CA.
NCES ID 063795011497 Verify on NCES CCD record →
Enrollment
532
California · 2024-25 NCES data
Teachers (FTE)
22.0
Federal CCD staff survey
Students per teacher
24.2:1
vs 21.5:1 California avg
+13% vs state
Free-lunch eligible
51.0%
vs 55.5% California avg
-8% vs state
How Mary Lou Dieterich Elementary compares with California and U.S. medians
Slightly above state median
24.2:1 - 2.7 above the California state median of 21.5:1, indicating larger average class loads than typical schools in the state.
Mary Lou Dieterich Elementary is a higher-need, mid-sized elementary school in Modesto, California, enrolling 532 students.
Class loads run somewhat heavier than typical: 24.2:1 puts it in the larger third of California schools by student-teacher ratio.
Its free-meal eligibility rate of 51.0% lands close to the California typical range, neither a high- nor low-need campus by this measure.
With 532 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 1,557 statewide peers matched on enrollment and economic need, it ranks mid-pack at #975.
Its student body is led by Hispanic or Latino (48%) and White (22%), more mixed than most schools in the state (diversity index 69/100).
Chronic absenteeism is elevated: 26.1% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The federal civil-rights collection also records 1 expulsion at this campus for 2021-22.
Among Modesto's elementary schools, it stands alongside Great Valley Academy (972 students): Mary Lou Dieterich Elementary is smaller than that campus by headcount and runs leaner classes (24.2:1 vs 27.8:1).
Stanislaus Union Elementary also operates Prescott Junior High (746 students) and Josephine Chrysler Elementary (621 students) alongside Mary Lou Dieterich 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
Mary Lou Dieterich 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 | 24.2:1 | ▲ 13% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 51.0% | ▼ 8% | 55.5% | 51.7% |
| Enrollment | 532 | top 41% | - | - |
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 48.1% of enrollment.
Simpson diversity index - at 68.6, Mary Lou Dieterich Elementary is more mixed than the California school average of 46.0.
District-wide per-pupil expenditure for Stanislaus Union Elementary, which includes Mary Lou Dieterich Elementary.
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 |
|---|---|---|---|
| Prescott Junior High | Larger | Similar economic need | Lower S:T ratio |
| Josephine Chrysler Elementary | Similar size | Higher economic need | Similar S:T ratio |
| Agnes M. Baptist Elementary | Similar size | Similar economic need | Similar S:T ratio |
| George Eisenhut Elementary | Similar size | Higher economic need | Similar S:T ratio |
| Stanislaus Elementary | Smaller | Similar economic need | Lower S:T ratio |
Comparisons are relative to Mary Lou Dieterich Elementary's own figures; each column derives from NCES Common Core of Data.
6 comparable elementary schools (grades K-5) serving the same city.
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.
Next steps
Verify locally before acting on Mary Lou Dieterich Elementary'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.
Mary Lou Dieterich Elementary has 532 students enrolled. It is an elementary school in Modesto, CA.
The student-teacher ratio at Mary Lou Dieterich Elementary is 24.2:1, which is 13% higher than the California average of 21.5:1 and 54% higher than the national average of 15.7:1.
51.0% of students at Mary Lou Dieterich Elementary are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Mary Lou Dieterich Elementary is Hispanic or Latino at 48.1% of enrollment, in Modesto, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 68.6/100.
Mary Lou Dieterich Elementary has a Resource Investment Index of 23/100 (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).
By Resource Investment Index, Mary Lou Dieterich Elementary ranks #24 of 53 elementary schools in Modesto, 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 Modesto on the city page.
Mary Lou Dieterich Elementary earns 23/100 on the Resource Investment Index, with class sizes larger than 73% of California schools. It is also more racially and ethnically mixed than most 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.
Besides Mary Lou Dieterich Elementary, Stanislaus Union Elementary also operates Prescott Junior High (746 students), Josephine Chrysler Elementary (621 students), and Agnes M. Baptist Elementary (606 students). See the Stanislaus Union Elementary 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, “Mary Lou Dieterich Elementary, Modesto CA.” 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/mary-lou-dieterich-elementary-ca
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