Excelsior Middle
14301 Byron Hwy., Byron, CA 94514 Map
Math (met standard)
30%
−7
state 37% · 2025-26
English (met standard)
43%
−6
state 49% · 2025-26
Science (met standard)
26%
−9
state 35% · 2025-26
Low income
33%
free or reduced-price lunch
Students
377
2024-25
Students per teacher
19.0
2024-25
Test score trends
Share of students who met or exceeded the state standard each year.
Latest results by grade
| Grade | Math | English | Science |
|---|---|---|---|
| Grade 6 | 32% state 37% · 2025-26 | 36% state 48% · 2025-26 | — |
| Grade 7 | 35% state 38% · 2025-26 | 45% state 51% · 2025-26 | — |
| Grade 8 | 22% state 36% · 2025-26 | 48% state 50% · 2025-26 | 26% state 35% · 2025-26 |
| All grades | 30% state 37% · 2025-26 | 43% state 49% · 2025-26 | 26% state 35% · 2025-26 |
Results by year (all grades)
| School year | Math | English | Science |
|---|---|---|---|
| 2025-26 | 30% state 37% | 43% state 49% | 26% state 35% |
| 2024-25 | 35% state 36% | 49% state 49% | 32% state 32% |
| 2023-24 | 32% state 33% | 41% state 46% | 34% state 29% |
| 2022-23 | 36% state 32% | 43% state 46% | 32% state 29% |
| 2021-22 | 30% state 31% | 39% state 47% | 25% state 29% |
| 2018-19 | 41% state 38% | 48% state 50% | 32% state 31% |
| 2017-18 | 44% state 37% | 54% state 49% | — |
| 2016-17 | 52% state 37% | 53% state 48% | — |
| 2015-16 | 55% state 36% | 58% state 48% | — |
| 2014-15 | 50% state 33% | 51% state 44% | — |
Students
Race and ethnicity, 2024-25
- Asian 8%
- White 46%
- Hispanic 30%
- Black 8%
- Two or more 5%
- Other 3%
Year-by-year history is loaded from the NCES Common Core of Data (2017-18 onward).
Nearby schools
2025-26 results
Subject percentages show the share of students who met or exceeded the state standard.
| Pick to compare | |||||
|---|---|---|---|---|---|
|
Byron Institute for Independent Study
Grades K–8
Alternative
· Byron Union Elementary
|
2.4 mi |
32%
|
27%
|
42% | |
|
Old River Elementary
Grades K–8
· Knightsen Elementary
|
4.1 mi |
48%
+8
vs state
|
58%
+10
vs state
|
15% | |
|
Edna Hill Middle
Grades 6–8
· Brentwood Union
|
4.6 mi |
37%
±0
vs state
|
55%
+6
vs state
|
— |
No schools match this filter.