School District · California
Fremont Union High School District
📍 Sunnyvale, CA · Santa Clara County · NCES LEAID 0614430
District Contact & InformationSource: NCES CCD 2024–25
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District Mailing Address
PO Box F, Sunnyvale, CA 94087
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Enrollment
10,019 students
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NCES District ID (LEAID)
0614430
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District Type
Public School District
Zip Codes Served by Fremont Union High School District6 zip codes
Frequently Asked Questions
What zip codes are in Fremont Union High School District?▼
Fremont Union High School District serves 6 zip codes: 94085, 94086, 94087, 94089, 95014, 95129. Zip codes and district boundaries do not line up exactly, so confirm your exact address with the district office before you rely on an assignment.
How is Fremont Union High School District rated?▼
Fremont Union High School District has an overall rating of 10 out of 10 (Excellent), based on the share of students proficient in reading and math on state assessments (NCES EDFacts). That places it in the 97th percentile among California school districts. Ratings are percentile-ranked within California only and are not comparable across states.
How many students attend Fremont Union High School District?▼
The NCES Common Core of Data directory reports enrollment of 10,019 students across 6 schools for Fremont Union High School District.
What grades does Fremont Union High School District serve?▼
Fremont Union High School District is listed in the NCES directory as serving grades 9th – 12th.
How do I contact Fremont Union High School District?▼
You can reach Fremont Union High School District by phone at (408)522-2200 or by mail at PO Box F, Sunnyvale, CA 94087. Contact details come from the NCES district directory and are the best way to confirm which school your address is assigned to.
About Fremont Union High School District
Fremont Union High School District is a public school district serving 6 zip codes in California, primarily in Santa Clara County. It carries an overall rating of 10/10 (Excellent), the 97th percentile among California districts. That rating reflects the share of students proficient in reading and math on state assessments (NCES EDFacts, 2021–22 for most districts with a 2017–18 fallback for the rest) and is ranked only against other California districts — scores are not comparable between states. Directory details on this page come from the NCES Common Core of Data, 2024–25.
District boundaries are address-specific and do not follow zip code lines exactly — a single zip code can
be split between two or more districts. Use the zip codes listed above as a starting point, then confirm your
assignment with the district office at (408)522-2200 before making a housing decision.