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Email BoardMary Lou Dieterich Elementary
2412 Warm Springs Drive, Modesto, CA 95350-9399
Summary
Mary Lou Dieterich Elementary is underperforming.
Reading and math results average to the 53rd percentile among comparable California schools.
Only 45.2% of students met California's reading standard, but it is slowly trending up.
Math is weaker: 40.4% of students met California's math standard, it is holding steady.
Proficiency stats
| Current Reading Proficiency | 45.2% |
| Current Math Proficiency | 40.4% |
| Reading State Rank | 2,225/4,657 (52nd percentile) |
| Math State Rank | 2,160/4,657 (54th percentile) |
School information
| Student / Teacher Ratio | 20:1 |
| Student enrollment (2024–25) | 532 |
| Low-Income Students | 328 (61.7%) |
| English Learners | 59 (11.1%) |
School Website
Great Schools
Niche
Ed-Data
CAASPP| Admissions | Open enrollment |
|---|---|
| Charter school | No |
| Magnet school | No |
Test score trends
Reading rose 1.5 points from last year and rose 3.3 points over the full period. Math fell 1.2 points from last year and rose 0.2 points over the full period.
•Math +0.2 percentage points (2024–2026)Reading Proficiency Scores
2026 state test results
Race and Ethnicity
Asian and Two or more races students have the strongest results.
Distribution of Scores by Grade
The share meeting the reading standard ranges from 34.7% to 52.1% across the grades shown. Overall, the school’s reading results rank in the top 48% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 15.2-point reading income gap is narrower than the 17.6-point gap at a typical California K–6 school. It narrowed slightly over the period shown.
•English Learners vs English Native
4.0% of English learners meet the reading standard, compared with 48.2% of English-only students. The gap widened as English-learner results fell and English-only results rose.
•Math Proficiency Scores
2026 state test results
Race and Ethnicity
Asian students have the strongest math results at about 65% proficiency. The other reported groups range from about 31% to 47%.
Distribution of Scores by Grade
The share meeting the math standard ranges from 35.2% to 46.5% across the grades shown. Overall, the school’s math results rank in the top 47% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 15.4-point math income gap is narrower than the 17.5-point gap at a typical California K–6 school. It widened over the period shown.
•English Learners vs English Native
8.0% of English learners meet the math standard, compared with 42.6% of English-only students. The gap widened as English-learner results fell and English-only results rose.
•Progress as students move up
2023–2026
How we compare income gaps
“Typical” means the median gap across 1,479 schools for reading and 1,483 for math. The comparison uses 2026 California K–6 schools with at least 20 tested students in each income group and a reported low-income student population. Each school counts once. Its gap is non-low-income proficiency minus low-income proficiency, including negative gaps. California state test data
Understanding this school
How does Mary Lou Dieterich Elementary compare within the district?
Mary Lou Dieterich Elementary is No. 3 in both reading and math proficiency among the 5 K–6 schools in Stanislaus Union Elementary with 2026 results.
Explore the district’s schoolsHow does Mary Lou Dieterich Elementary rank in California?
Mary Lou Dieterich Elementary ranks No. 2,225 of 4,657 in reading and No. 2,160 of 4,657 in math for 2026. These proficiency rankings compare California schools in the same grade-level category.
How do low-income students at Mary Lou Dieterich Elementary compare within the district?
Low-income students here rank No. 3 in both subjects among 5 K–6 district schools with reportable 2026 results for this group. 40.0% meet the reading standard and 35.1% meet the math standard.
See results by student groupHow does Mary Lou Dieterich Elementary compare with other schools in Modesto?
Mary Lou Dieterich Elementary is No. 7 in both reading and math proficiency among the 34 K–6 schools in Modesto with 2026 results.
Explore schools in ModestoHow does Mary Lou Dieterich Elementary compare with other schools in Stanislaus County?
Mary Lou Dieterich Elementary is No. 15 in reading and No. 13 in math proficiency among the 60 K–6 schools in Stanislaus County with 2026 results.
Explore schools in Stanislaus CountyWhich schools should I compare?
Schools serving K–6 in the same district.
| School | Math | Reading |
|---|---|---|
| Mary Lou Dieterich ElementaryThis school | 40.4% | 45.2% |
| Agnes M. Baptist Elementary | 47.9% | 49.9% |
| George Eisenhut Elementary | 20.8% | 25.3% |
