Preschool Staff

Preschool Director & Teacher- Sean McKelvey

Director Sean McKelvey is a graduate of Robert Morris University with a BA in Social Sciences.  Sean lives in Mountville with his wife and two elementary aged children. He has previously worked for PA Counseling Services, Preschool Coordinator for K-Prep Learning Center, Classroom Teacher for Head Start of York and has mentored students who are preparing to become Early Childhood Educators.  “Play gives children a chance to practice what they are learning” – Mr. Rogers

Preschool Teachers

Betty Cox

Betty has assisted for over 30 years with the 2-day and 3-day classes at our school.  She has taught forty years at Hempfield Church of the Brethren and was involved in their youth program.  She is a mother and grandmother. Betty says, “A child is so open to learning new ideas.  To me children are a joy.  I love to be with children; they are a blessing!”

Karen Helm 

Karen is a graduate of the University of Northern Colorado with a BA in Music Education.  Karen has taught preschool ages 2-5, Pre-K, and Enrichment for over 10 years and as an educator in the Hands-on-House STEAM program for three years.  She has also taught K-12th grade at public and private schools in Colorado and Pennsylvania.  She plays bagpipes with Ceol Neamh Pipe Band performing at community events, playing in competititons, and teaching new bagpipers.  She lives in Lancaster with her husband and has three college age kids.

Kelly Rohrer

Kelly has assisted here at Trinity for 5 years.  The mother of two children, she graduated from Hempfield High School.  She volunteers at East Petersburg Elementary School.  She looks forward to work each day as she cares for your children.



Crystal Shank

Crystal has been volunteering here at Trinity for the past few years. A Trinity alum herself, she sent her three kids here as well. After attending Hempfield High School, Crystal ran her own at home daycare for almost ten years. She loves to watch children grow and learn new things.