Grade Trends

Byron Union Elementary School District

4 public schools · Discovery Bay, CA

Subject percentages show the share of students who met or exceeded the state standard.

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Byron Institute for Independent Study
Grades K–8 Alternative · Byron Union Elementary
32%
27%
11%
−21 vs state · 2024-25
10% Average of math, English and science: 20% in 2022-23 → 30% in 2025-26 42% 26 Hispanic 38%
Discovery Bay Elementary
Grades K–5 · Byron Union Elementary
61%
+19 vs state
61%
+15 vs state
40%
+4 vs state
Average of math, English and science: 53% in 2022-23 → 54% in 2025-26 41% 417 Hispanic 42%
Excelsior Middle
Grades 6–8 · Byron Union Elementary
30%
−7 vs state
43%
−6 vs state
26%
−9 vs state
4% Average of math, English and science: 37% in 2022-23 → 33% in 2025-26 33% 377 White 46%
Timber Point Elementary
Grades K–5 · Byron Union Elementary
40%
−2 vs state
45%
−2 vs state
40%
+5 vs state
5% Average of math, English and science: 36% in 2022-23 → 41% in 2025-26 26% 362 White 43%

Overall change: average of the three subjects, latest year vs. 3 years earlier (↑4% means the average rate went up 4 points, e.g. 82% → 86%; — means within ±2%). Low income = eligible for free or reduced-price lunch.