School District · California
Chaffey Joint Union High School District
📍 Rancho Cucamonga, CA · San Bernardino County · NCES LEAID 0608160
District Contact & InformationSource: NCES CCD 2024–25
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District Mailing Address
211 W. Fifth St., Ontario, CA 91762
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Enrollment
23,145 students
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NCES District ID (LEAID)
0608160
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District Type
Public School District
Zip Codes Served by Chaffey Joint Union High School District9 zip codes
Frequently Asked Questions
What zip codes are in Chaffey Joint Union High School District?▼
Chaffey Joint Union High School District serves 9 zip codes: 91701, 91730, 91737, 91739, 91761, 91762, 91763, 91764, 92358. 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 Chaffey Joint Union High School District rated?▼
Chaffey Joint Union High School District has an overall rating of 8 out of 10 (Good), based on the share of students proficient in reading and math on state assessments (NCES EDFacts). That places it in the 75th percentile among California school districts. Ratings are percentile-ranked within California only and are not comparable across states.
How many students attend Chaffey Joint Union High School District?▼
The NCES Common Core of Data directory reports enrollment of 23,145 students across 11 schools for Chaffey Joint Union High School District.
What grades does Chaffey Joint Union High School District serve?▼
Chaffey Joint Union High School District is listed in the NCES directory as serving grades 9th – 12th.
How do I contact Chaffey Joint Union High School District?▼
You can reach Chaffey Joint Union High School District by phone at (909)988-8511 or by mail at 211 W. Fifth St., Ontario, CA 91762. Contact details come from the NCES district directory and are the best way to confirm which school your address is assigned to.
About Chaffey Joint Union High School District
Chaffey Joint Union High School District is a public school district serving 9 zip codes in California, primarily in San Bernardino County. It carries an overall rating of 8/10 (Good), the 75th 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 (909)988-8511 before making a housing decision.