School District · California
River Delta Joint Unified School District
📍 Birds Landing, CA · Solano County · NCES LEAID 0633110
Kindergarten – 12th
Grade Span
District Contact & InformationSource: NCES CCD 2024–25
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Grades Served
Kindergarten – 12th
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District Mailing Address
445 Montezuma St., Rio Vista, CA 94571
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NCES District ID (LEAID)
0633110
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District Type
Public School District
Zip Codes Served by River Delta Joint Unified School District7 zip codes
Frequently Asked Questions
What zip codes are in River Delta Joint Unified School District?▼
River Delta Joint Unified School District serves 7 zip codes: 94512, 94571, 95612, 95615, 95641, 95680, 95690. 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 River Delta Joint Unified School District rated?▼
River Delta Joint Unified School District has an overall rating of 2 out of 10 (Poor), based on the share of students proficient in reading and math on state assessments (NCES EDFacts). That places it in the 18th percentile among California school districts. Ratings are percentile-ranked within California only and are not comparable across states.
How many students attend River Delta Joint Unified School District?▼
The NCES Common Core of Data directory reports enrollment of 1,787 students across 11 schools for River Delta Joint Unified School District.
What grades does River Delta Joint Unified School District serve?▼
River Delta Joint Unified School District is listed in the NCES directory as serving grades Kindergarten – 12th.
How do I contact River Delta Joint Unified School District?▼
You can reach River Delta Joint Unified School District by phone at (707)374-1700 or by mail at 445 Montezuma St., Rio Vista, CA 94571. Contact details come from the NCES district directory and are the best way to confirm which school your address is assigned to.
About River Delta Joint Unified School District
River Delta Joint Unified School District is a public school district serving 7 zip codes in California, primarily in Solano County. It carries an overall rating of 2/10 (Poor), the 18th 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 (707)374-1700 before making a housing decision.