In 2026, Chaffey Joint Union High School District announced a data breach that originated from a compromise of Instructure's Canvas platform, a third-party educational technology vendor. The incident is ongoing as of May 12, 2026. The district has temporarily stopped data sharing between Canvas and its student information system.
The confirmed data types exposed include names, email addresses, district identification numbers, and messages sent within the Canvas platform. Many details, including the exact number of individuals affected at Chaffey Joint Union High School District, remain unknown at this time. The full scope of this incident has not yet been publicly confirmed by Instructure.
Details of this incident are still emerging, and further information may be released by Instructure or Chaffey Joint Union High School District. New notices may be delayed.