Chaffey Joint Union High School District - Wikipedia
https://en.wikipedia.org/wiki/Chaffey_Joint_Union_High_School_District
WEBChaffey Joint Union High School District is a 9-12 school district located in San Bernardino County, California, United States that serves the communities of Ontario, Montclair, Rancho Cucamonga, and portions of Fontana, Upland, Chino, and Mount Baldy.
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