The Sister Bay & Liberty Grove Fire Department will offer classes to educate the community in the proper method of using an AED and performing CPR. All classes are being offered at the Sister Bay Fire Station on Mill Road. The CPR/AED class on Oct. 29 from 6 to 10 pm will teach infant, child and adult CPR and offers a two-year certification. The cost is $15 per person. To register, call 920.854.4021 and leave a message or email [email protected].