SLIPPERY ROCK — Slippery Rock Community Nursery School, 877 Franklin Road, will hold open house registration from 10 a.m. to noon Saturday.

Registration is for 3- to 5-year-olds for fall classes.

PENN TWP — Penn Christian Academy will have an education expo at 6:30 p.m. Thursday at its Airport Road campus.Open enrollment for elementary students for fall 2013 is under way.For more information, call Penn Christian Academy at 724-586-5200.