Butler County Parks and Recreation Department is offering CPR (with AED) and first aid classes from 5 to 9:30 p.m. Tuesday in the Butler County training room, 2287 W. Cunningham St.

Pre-registration is required and class size is limited.

For more information, call the Butler County Parks and Recreation Department at 724-284-5383.

PORTERSVILLE — An open house and information night for prospective students and their families will be at 7 p.m. Thursday at Portersville Christian School, 343 E. Portersville Road.Families interested in learning about enrollment for the 2013-14 school year are invited to attend.For more information, call 724-368-8787, Ext. 10.

RENFREW — The Butler County Humane Society, 1015 Evans City Road, will have its annual Easter open house from 10 a.m. to 5 p.m. Saturday.Pets and children of all ages can have their photo taken with the Easter Bunny from 11 a.m. to 2 p.m. There will also be a Chinese auction, adoption specials and refreshments.For more information, call 724-789-1150 or visit www.butlercountyhs.org.Library friends conduct book saleThe Friends of the Library will hold a book sale from 9:30 a.m. to 3 p.m. Friday and Saturday at the Butler Public Library, 218 N. McKean St.

PENN TWP — The Audubon Society of Western Pennsylvania will couple a walk through the history of maple sugaring with a pancake breakfast.The event is scheduled from 10 a.m. to 3 p.m. Saturday, rain or shine, at the Succop Conservancy, 185 Airport Road.The first breakfast seating will begin at 10 a.m. followed by seatings every half hour until 1:30 p.m.Registration is required. For more information or to register, call 412-963-6100 or visit www.aswp.org.

BRADY TWP — A free maple sugaring program will be at 2 p.m. Sunday at the Jennings Environmental Education Center, 2961 Prospect Road, Brady Township.The activities begin with an indoor program and then move outdoors for a guided walk that demonstrates the maple syrup-making process.The event will be conducted rain or shine, and registration is not required.

WORTHINGTON — Armstrong Community Theater's spring craft show will be from 10 a.m. to 2 p.m. Saturday at the Worthington Civic Center, 214 E. Main St.Free admission allows purchases from crafters, artists and vendors.

CHICORA — The Chicora United Methodist Church Annual Spring Craft Show will be from 9 a.m. to 4 p.m. Saturday at the church, 201 Central Ave.The show will feature many local vendors and silk flower arrangements, homemade crafts and candies, as well as food.