Principal

Mrs. Guarriello is very proud to be the principal of Southern Lehigh High School.  Mrs. Guarriello is a graduate of Penn State University with a Bachelor of Science degree in secondary education teaching chemistry and biology. She has two Masters degrees from Wilkes University in Curriculum and Instruction and Educational Leadership.  Prior to returning to Southern Lehigh as high school principal, she was the principal of Saucon Valley High school after being an Assistant Principal at Southern Lehigh High School for three years. Mrs. Guarriello taught biology and chemistry and served as an Assistant Principal for Curriculum and Instruction at Liberty High school with the Bethlehem Area School District.  As a teacher, Mrs. Guarriello was awarded the Massachusetts Institute of Technology Inspirational Teaching Award and the American Chemical Society Outstanding Teacher Award in addition to Anthony Ruggerio Outstanding High School Teacher of the Year Award for the Bethlehem Area School District. As an administrator, she and her teams twice won the IU 20 Excellence in Education Award.  

Assistant Principal (Last Names A-K)

Mr. Kinslow is one of the Assistant Principals at Southern Lehigh High School and is responsible for students with the last name A-L. Prior to this role, Mr. Kinslow served as Assistant Principal at Francis D. Raub Middle School in the Allentown School District. Previously, Mr. Kinslow was a Social Studies Teacher in Virginia with Prince William County Public Schools where he took an active role in the school community as a lacrosse coach, NHS advisor, and Mini-THON sponsor. Chad earned a B.A. in History and M.A.T. in Social Studies Education from the University of Pittsburgh. He also earned his Ed.S. and Principal Certification from Old Dominion University.

Assistant Principal (Last Names L-Z)