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Email BoardSun Terrace Elementary
2448 Floyd Lane, Concord, CA 94520-1499
Summary
Sun Terrace Elementary is badly underperforming.
Reading and math results average to the 5th percentile among comparable California schools.
Only 20.6% of students met California's reading standard, but it is trending up slightly.
Math is weaker: 12.1% of students met California's math standard, and it is slowly trending down.
Proficiency stats
| Current Reading Proficiency | 20.6% |
| Current Math Proficiency | 12.1% |
| Reading State Rank | 4,336/4,657 (7th percentile) |
| Math State Rank | 4,493/4,657 (4th percentile) |
School information
| Student / Teacher Ratio | 26:1 |
| Student enrollment (2024–25) | 418 |
| Low-Income Students | 309 (73.9%) |
| English Learners | 102 (24.4%) |
School Website
Great Schools
Niche
Ed-Data
CAASPP| Admissions | Open enrollment |
|---|---|
| Charter school | No |
| Magnet school | Yes |
Test score trends
Reading fell 12.1 points from last year and rose 2.4 points over the full period. Math fell 7.8 points from last year and fell 4.4 points over the full period.
•Math -4.4 percentage points (2024–2026)Reading Proficiency Scores
2026 state test results
Race and Ethnicity
Filipino and Two or more races students have the strongest results.
Distribution of Scores by Grade
The share meeting the reading standard ranges from 16.9% to 24.3% across the grades shown. Overall, the school’s reading results rank No. 4,336 of 4,657 among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 15.0-point reading income gap is narrower than the 19.8-point gap at a typical California K–5 school. It widened over the period shown.
•English Learners vs English Native
2.1% of English learners meet the reading standard, compared with 21.0% of English-only students. The gap widened as English-learner results rose and English-only results rose.
•Math Proficiency Scores
2026 state test results
Race and Ethnicity
Filipino students have the strongest math results at about 38% proficiency. The other reported groups range from about 9% to 16%.
Distribution of Scores by Grade
The share meeting the math standard ranges from 10.8% to 15.0% across the grades shown. Overall, the school’s math results rank No. 4,493 of 4,657 among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 14.9-point math income gap is narrower than the 20.0-point gap at a typical California K–5 school. It narrowed slightly over the period shown.
•English Learners vs English Native
2.0% of English learners meet the math standard, compared with 12.8% of English-only students. The gap narrowed as English-learner results fell and English-only results fell.
•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 Sun Terrace Elementary compare within the district?
Sun Terrace Elementary is No. 23 in reading and No. 27 in math proficiency among the 29 K–5 schools in Mt. Diablo Unified with 2026 results.
Explore the district’s schoolsHow does Sun Terrace Elementary rank in California?
Sun Terrace Elementary ranks No. 4,336 of 4,657 in reading and No. 4,493 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 Sun Terrace Elementary compare within the district?
Low-income students here rank No. 23 in reading and No. 28 in math among 29 K–5 district schools with reportable 2026 results for this group. 17.5% meet the reading standard and 8.9% meet the math standard.
See results by student groupHow does Sun Terrace Elementary compare with other schools in Concord?
Sun Terrace Elementary is No. 10 in reading and No. 13 in math proficiency among the 14 K–5 schools in Concord with 2026 results.
Explore schools in ConcordHow does Sun Terrace Elementary compare with other schools in Contra Costa County?
Sun Terrace Elementary is No. 103 in reading and No. 109 in math proficiency among the 113 K–5 schools in Contra Costa County with 2026 results.
Explore schools in Contra Costa CountyWhich schools should I compare?
Schools serving K–5 in the same district.
| School | Math | Reading |
|---|---|---|
| Sun Terrace ElementaryThis school | 12.1% | 20.6% |
| Ayers Elementary | 38.5% | 39.8% |
| Cambridge Elementary | 14.8% | 14.9% |
