SA
Middle SchoolsGrades 6-8

Excelsior Middle

Byron Union Elementary · Contra Costa County · 14301 Byron Highway, Byron, CA 94514-2515

(925) 809-7530 · www.excelsiormiddleschool.us

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6/10
#550
Rank 550 out of 1,315
Top 42%
English Language Arts6/10 · #621 · 53rd percentile
Mathematics7/10 · #516 · 61st percentile
Science7/10 · #493 · 63rd percentile

English Language Arts

Math Trend

Science Trend

School Overview

Tucked away in the small agricultural community of Byron, out near the eastern edge of Contra Costa County where the Delta meets the open range, Excelsior Middle offers a tighter-knit school experience that's hard to find closer to the Bay Area. The school lands solidly in the middle of the pack statewide, with particular strengths in math and science that could appeal to families raising kids who like figuring out how things work. For parents who want their middle schooler to know their teachers and classmates by name — rather than get lost in a sprawling suburban campus — Byron's quiet, small-town feel and this school's community-oriented atmosphere might be exactly the right fit.

Student Demographics

342 students tested · 2024-25 school year

Ethnicity

White
159 (46%)
Hispanic
101 (30%)
Asian
28 (8%)
African American
26 (8%)
Multiple Races
16 (5%)
Pacific Islander
8 (2%)
Other
4 (1%)

Key Indicators

English Learners26 (8%)
Socioeconomically Disadvantaged119 (35%)
Students with Disabilities46 (13%)

Staff & Teachers(2024-25)

377
Enrollment
19.6
Teachers (FTE)
19.2:1
Student-Staff Ratio
2
Administrators (FTE)
15
Avg Class Size*(2023-24)

Community Enrichment Programs

This supplementary score measures the availability of enrichment programs — such as tutoring, music, dance, sports, and arts — within 3 miles of the school. Schools in communities with more diverse and accessible programs score higher.

Nearby Programs1/10 · #1330 · 3rd percentile

6 programs within 3 miles. Ranked among Middle Schools in California.