Full-Time

Assistant Principal of Instruction

Posted on 7/28/2025

Mastery Charter Schools

Mastery Charter Schools

1,001-5,000 employees

Non-profit charter school network turnaround

Compensation Overview

$106.6k - $135k/yr

+ Bonus + Relocation Expenses

Philadelphia, PA, USA

In Person

Category
Education
Required Skills
Data Analysis
Requirements
  • Superior grasp of effective instructional and behavioral methods and strategies for educating urban youth
  • Strong people and project management ability, with the proven ability to influence and enhance cooperative working relationships within a team environment
  • Interest in providing only the highest quality educational experience for students and their families
  • Ability to thrive in a fast-paced, dynamic, and rapidly-changing environment
  • Ability to leverage computer software programs and other technology that will support the learning environment
  • Minimum of three (3) years of demonstrated success in the classroom, preferably within an urban school setting
  • Ability to physically perform the duties and to work in the environmental conditions required such as maneuvering in classrooms and office space-reaching file cabinets, filing, faxing, scanning, coping, typing, mailing, and making phone calls; Must be able to sit for up to two (2) hours looking at a computer monitor, using a keyboard/mouse and typing
Responsibilities
  • Drive and support implementation of Mastery Schools’ vision and guiding principles to ensure a positive, achievement-focused school culture for teachers, staff and students
  • Lead and supervise a high-functioning team of educators focused on driving superior academic performance and fostering a high level of personal responsibility
  • Supervise teachers’ instructional methods, evaluate lesson plans, provide weekly observations and professional development opportunities, and coach teachers around effective instructional strategies
  • Identify students who could benefits from additional support and guide them toward supplemental educational services as necessary
  • Engage parents and other community members in school activities to engender a neighborhood-centered approach to learning and development
  • Support the Principal in ensuring effective collection and analysis of student performance data to identify struggling students, curriculum shortfalls, and teacher quality issues
  • Manage various administration functions, including testing schedules and absenteeism needs for teachers
Desired Qualifications
  • Master’s Degree in Education strongly preferred
  • Experience in and/or understanding of the public school system or charter schools is desirable
  • Assistant Principals lead within their content specialty - opportunities are available as an API of ELA, K-2nd/Early Elementary, or STEM
Mastery Charter Schools

Mastery Charter Schools

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Mastery Charter Schools runs a non-profit network of 24 charter and turnaround schools in Philadelphia and Camden, serving about 14,000 K-12 students. It remakes chronically underperforming public schools by overhauling leadership, operations, and supports while keeping the student body; funding comes from per-pupil public money, plus philanthropy and federal grants. Its curriculum is college-preparatory and data-driven, using a competency-based system where students must reach 76% mastery to advance, with extensive teacher development, social-emotional learning, and mandatory internships for high schoolers. Its goal is to raise student achievement and urban education equity by scaling a proven turnaround and leadership model through public funding, grants, and community partnerships.

Company Size

1,001-5,000

Company Stage

N/A

Total Funding

N/A

Headquarters

Philadelphia, Pennsylvania

Founded

2001

Simplify Jobs

Simplify's Take

What believers are saying

  • CHOP partnership creates healthcare curriculum for job placement.
  • $60,000 minimum teacher salary boosts recruitment amid shortages.
  • Dr. Joel Boyd's CEO role ensures leadership continuity.

What critics are saying

  • Philadelphia District expansion erodes turnaround contracts by 2028.
  • NJ ends Renaissance funding post-2028, closing Camden schools.
  • KIPP's $65k salaries poach Mastery's 190 teacher hires.

What makes Mastery Charter Schools unique

  • Mastery turns around low-performing schools retaining original students.
  • Competency-based grading requires 76% mastery for advancement.
  • Mandatory 18-week high school internships build workforce skills.

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Your Connections

People at Mastery Charter Schools who can refer or advise you

Benefits

401(k) Retirement Plan

401(k) Company Match

Mental Health Support

Professional Development Budget

Employee Discounts

Growth & Insights and Company News

Headcount

6 month growth

3%

1 year growth

3%

2 year growth

3%
PR Newswire
May 13th, 2024
Mastery Schools Increases Minimum Annual Teacher Salary To $60,000

PHILADELPHIA, May 13, 2024 /PRNewswire/ -- Mastery Schools has increased the annual minimum starting teacher salary to $60,000 for the 2024-25 school year. The new starting salary represents a 9% increase from the 2023-24 school year starting salary for new teachers. In addition to new teacher salaries, all Mastery Schools teacher pay scales were increased by an average of approximately 5%."Teachers are our most valuable resource, and they deserve to be paid a fair salary," said Dr. Joel Boyd, CEO of Mastery Schools. "At Mastery, we are proud of our longstanding history of prioritizing higher pay and competitive compensation for our teachers. As we continue to navigate through a national teacher shortage, Mastery is committed to recruiting and retaining qualified, talented, and passionate teachers to provide a high-quality education to our students."Mastery Schools expects to hire about 190 teachers for the 2024-25 school year

WHYY
Jan 18th, 2024
CHOP to train Mastery Schools students for jobs in health care

Mastery Charter Schools will partner with Children's Hospital of Philadelphia (CHOP) to create a specialized healthcare curriculum to help its students land industry jobs upon graduation.

Mastery Charter School
Oct 20th, 2023
Yvette A. Núñez Promoted to Mastery Schools Chief of Staff

Mastery Schools CEO, Dr. Joel Boyd, has announced the promotion of Yvette A. Núñez as the charter network's first Chief of Staff.

Mastery Charter School
Aug 4th, 2023
Mastery News

Mastery Schools announces the launch of the Raptor Visitor Management System in all of its buildings.

The Philadelphia Inquirer
Apr 13th, 2023
Mastery Charter names a former Philly principal and assistant superintendent as its new CEO

Joel Boyd, the current superintendent of Lowell, Mass., schools, has been named CEO of the Mastery Charter network.

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