Chaffey Joint Union Calendar. An email verification link was sent to the email address.the verification link will expire in 48 hours. Please click on the link in the email you received to continue and complete the.

The chaffey joint union high school district serves the communities of ontario, montclair, rancho cucamonga, and portions of fontana, upland, chino, and mount baldy. The chaffey joint union high school district serves the communities of ontario, montclair, rancho cucamonga, and portions of fontana, upland, chino, and mount baldy.