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Public6-8Middle
Excelsior Middle
14301 Byron Hwy., Byron, CA 94514·Contra Costa County·Byron Union Elementary
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Overview
Excelsior Middle is a public school (middle) serving grades 6-8 in Byron, Contra Costa County. Part of Byron Union Elementary.
School data from the California Department of Education (public & charter 2025-26, private 2024-25).
At a glance
387
Enrollment
6-8
Grades
Public
Sector
Location
14301 Byron Hwy., Byron, CA 94514
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School data from the California Department of Education (public & charter 2025-26, private 2024-25).