Welcome! I am Mrs. Cratty. I teach Science 8 at Knoch Middle School. I have taught at Knoch Middle School since 2008. Before coming to South Butler County School District, I taught high school Biology at Greenfield Academy in Wilson, NC and taught science at the Yeshiva schools of Pittsburgh. I also have research experience with a lab associated with the VA medical center and University of Pittsburgh. I received my Masters of Arts in Education from California University of Pennsylvania and my Bachelor's degree in Biology from Allegheny College.