About The Position

Mastery Schools is seeking an Assistant Principal of Instruction (API) for the 2027/2028 school year. The API inspires educators to excel and supports students in reaching their potential by developing and supervising teachers, coaching instructional practice, and coordinating assessment and data-driven strategies to improve learning outcomes. Working closely with the Principal, the API helps create an outcomes-driven, joyful educational environment that supports students in developing the skills to pursue their dreams. APIs lead within a content specialty; opportunities are available in ELA, K-2nd/Early Elementary, or STEM. Mastery Schools is a public charter network founded in 2001, comprising 23 K-12 schools in Philadelphia and Camden and serving more than 14,000 students. Its mission is to provide students with the academic and personal skills needed to succeed after graduation. The organization emphasizes equity, respect, service, inclusion, and continuous improvement.

Requirements

  • Master’s degree.
  • NJ certification completed or in process.
  • At least three years of demonstrated classroom success.
  • Strong understanding of effective instructional and behavioral methods and strategies for educating urban youth.
  • Strong people and project management abilities, including the ability to influence and strengthen cooperative working relationships within a team.
  • Interest in providing a high-quality educational experience for students and their families.
  • Ability to thrive in a fast-paced, dynamic, rapidly changing environment.
  • Ability to use computer software and other technology that support the learning environment.

Nice To Haves

  • Classroom experience in an urban school setting.
  • Experience in or understanding of the public school system or charter schools.

Responsibilities

  • Drive and support implementation of Mastery Schools’ vision and guiding principles to foster a positive, achievement-focused culture for teachers, staff, and students.
  • Lead and supervise a high-functioning team of educators focused on strong academic performance and personal responsibility.
  • Supervise teachers’ instructional methods, evaluate lesson plans, conduct weekly observations, provide professional development, and coach teachers on effective instructional strategies.
  • Identify students who may benefit from additional support and guide them toward supplemental educational services as needed.
  • Engage parents and community members in school activities to support a neighborhood-centered approach to learning and development.
  • Support the Principal in collecting and analyzing student performance data to identify struggling students, curriculum shortfalls, and teacher quality issues.
  • Manage administrative functions, including testing schedules and teacher absenteeism needs.

Benefits

  • 403(b) retirement plan for Pennsylvania employees, with a 5% Mastery match for full-time employees.
  • Enrollment in the New Jersey State Pension Plan for New Jersey employees.
  • Employee Assistance Program.
  • Mental health and counseling programs.
  • Annual Professional Development Fund.
  • Discounts and perks at retailers, travel organizations, and insurance providers.
  • Access to the Health Advocate Helpdesk for benefits-related support.
  • Professional growth opportunities.
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