Please contact us immediately by call or email from a parent email address in PowerSchool when your child will be absent. Just leave your child's name, grade level (and teacher for Concord), date of absence, reason for absence, parent name, and phone number. For Concord, call 331-481-4000, option 1 and then option 5, or email concordattendance@cassd63.org. For Cass, call 331-481-4000, choose option 2 and then option 7, or email cassattendance@cassd63.org.