The Sister Bay and Liberty Grove Fire Department is partnering with the American Safety and Health Institute to offer CPR/AED classes. Each four-hour class will teach infant, child and adult CPR and offer a two-year certification. Classes are scheduled for Aug. 15, Sept. 19, Oct. 17, all 6-10 pm, at the Sister Bay Fire Station on Mill Road. The cost is $30 per person. To register, call 920.854.4021 or email [email protected].