Mastery Charter Schools Careers in Philadelphia, PA

Mastery's History & Milestones 2001 Mastery Charter Schools is founded as High Tech High, opening with 100 9th grade students. 2002 High Tech High is renamed Mastery Charter Schools and moves to Old City to the newly renovated Lenfest Campus.2017 North Camden Elementary and Cramer Hill Elementary merged and moved to a new state-of-the-art building serving grades K-8. Mastery High School of Camden added 10th grade. Mastery Schools has 24 schools in two states, serving 13,500 students. Mastery Schools employs more than 1,500 people. Mastery Schools has nearly 3,500 alumni.