The Sister Bay & Liberty Grove Fire Department is partnering with the American Safety & Health Institute to offer classes to educate the community in the proper use of CPR/AED. The four-hour class will teach infant, child and adult CPR and offers a two-year certification. The class will be held Oct. 20, 6-10 pm, at the Sister Bay Fire Station on Mill Road. The cost is $20. To register, call 920.854.4021 and leave a message or email [email protected].