Christopher Ziemba
Christopher has served as the principal of Mastery Charter School at Lenfest Campus since 2016. Under his leadership Mastery Lenfest achieved a 7.2% increase in Math, a 12.9% increase in English Language Arts (ELA) and a 9.3% increase in Science on the Pennsylvania System of School Assessments (PSSA). Additionally, Mastery Lenfest achieved a 13.7% increase on the 11th grade Keystone Algebra assessment.
Christopher has been an educator since 2003. Prior to becoming a principal, Christopher served as a teacher, a special education teacher, a special education case manager and an assistant principal. Christopher has also served as a mentor school leader at the University of Pennsylvania’s Graduate School of Education. Christopher grew up in Tipp City, OH.