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Email BoardRobert Heideman Elementary
15571 Williams Street, Tustin, CA 92780-4146
Summary
Robert Heideman Elementary is badly underperforming.
Reading and math results average to the 39th percentile among comparable California schools.
Only 36.2% of students met California's reading standard, but it is quickly trending up.
Math is weaker: 34.8% of students met California's math standard, but it is quickly trending up.
Proficiency stats
| Current Reading Proficiency | 36.2% |
| Current Math Proficiency | 34.8% |
| Reading State Rank | 3,038/4,657 (35th percentile) |
| Math State Rank | 2,600/4,657 (44th percentile) |
School information
| Student / Teacher Ratio | 25:1 |
| Student enrollment (2024–25) | 502 |
| Low-Income Students | 487 (97.0%) |
| English Learners | 219 (43.6%) |
School Website
Great Schools
Niche
Ed-Data
CAASPP| Admissions | Open enrollment |
|---|---|
| Charter school | No |
| Magnet school | No |
Test score trends
Reading rose 8.3 points from last year and rose 10.3 points over the full period. Math rose 5.6 points from last year and rose 12.6 points over the full period.
•Math +12.6 percentage points (2024–2026)Reading Proficiency Scores
2026 state test results
Race and Ethnicity
Only one group has a reportable reading result.
Distribution of Scores by Grade
The share meeting the reading standard ranges from 31.4% to 45.2% across the grades shown. Overall, the school’s reading results rank No. 3,038 of 4,657 among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 0.2-point reading income gap is narrower than the 19.8-point gap at a typical California K–5 school.
•English Learners vs English Native
16.2% of English learners meet the reading standard, compared with 29.2% of English-only students. The gap narrowed as English-learner results rose and English-only results rose.
•Math Proficiency Scores
2026 state test results
Race and Ethnicity
Only one group has a reportable math result.
Distribution of Scores by Grade
The share meeting the math standard ranges from 27.1% to 47.9% across the grades shown. Overall, the school’s math results rank No. 2,600 of 4,657 among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 20.8-point math income gap is slightly wider than the 20.0-point gap at a typical California K–5 school.
•English Learners vs English Native
11.0% of English learners meet the math standard, compared with 33.9% of English-only students. The gap widened as English-learner results rose and English-only results rose.
•Progress as students move up
2023–2026
How we compare income gaps
“Typical” means the median gap across 1,832 schools for reading and 1,839 for math. The comparison uses 2026 California K–5 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 Robert Heideman Elementary compare within the district?
Robert Heideman Elementary is No. 13 in reading and No. 12 in math proficiency among the 13 K–5 schools in Tustin Unified with 2026 results.
Explore the district’s schoolsHow does Robert Heideman Elementary rank in California?
Robert Heideman Elementary ranks No. 3,038 of 4,657 in reading and No. 2,600 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 Robert Heideman Elementary compare within the district?
Low-income students here rank No. 12 in both subjects among 13 K–5 district schools with reportable 2026 results for this group. 36.2% meet the reading standard and 33.8% meet the math standard.
See results by student groupHow does Robert Heideman Elementary compare with other schools in Tustin?
Robert Heideman Elementary is No. 7 in reading and No. 6 in math proficiency among the 7 K–5 schools in Tustin with 2026 results.
Explore schools in TustinHow does Robert Heideman Elementary compare with other schools in Orange County?
Robert Heideman Elementary is No. 97 in reading and No. 88 in math proficiency among the 125 K–5 schools in Orange County with 2026 results.
Explore schools in Orange CountyWhich schools should I compare?
Schools serving K–5 in the same district.
| School | Math | Reading |
|---|---|---|
| Robert Heideman ElementaryThis school | 34.8% | 36.2% |
| Barbara Benson Elementary | 44.7% | 38.6% |
| Benjamin F. Beswick Elementary | 45.5% | 48.4% |
