In-person substitute teacher supporting a mission-driven, student-centered charter network in Philadelphia. You'll deliver provided lesson plans, maintain a strong and respectful classroom culture, and support schools committed to equity, high expectations, and student success.
Through HelloSubs you're paid every Friday by direct deposit, you pick the days that work for you, and your background-check and onboarding costs are reimbursed. Applications are accepted on an ongoing basis.
Requirements
U.S. work authorization required; bachelor's degree preferred (or equivalent relevant experience); teaching or substitute certification is a plus but not required; must successfully pass all required background screenings and clearances.
Searching for Mastery Charter Schools jobs? Substitute teaching through HelloSubs is a flexible way to work in Mastery classrooms in Philadelphia before committing to a full-time role, paid every Friday.
How HelloSubs works: Substitute assignments at Mastery Schools are available on an ongoing basis — you choose the days you want to work across Mastery's Philadelphia schools and get paid weekly ($200–$232/day). Apply once and start picking up assignments in minutes.
Why Mastery Schools?
At Mastery Schools, everything ladders up to one thing: making sure students graduate with the academic and personal skills they need to succeed. That mission shows up in how Mastery expects adults to operate too — putting student achievement above all, pursuing equity, serving families, and building a culture that combines high standards with joy. Mastery is a place to grow and collaborate, with professional development, leadership pathways, and strong support structures designed to help educators improve quickly.