High School Math Teacher – 9th-12th Grade – 2026/2027 School Year

The Opportunity:
We live in a world where math unlocks a future of possibilities. As a Math Teacher at Mastery you will work relentlessly to foster a love of math with your students while growing and developing in your craft. From the moment they enter our buildings, young mathematicians at Mastery engage with Eureka Math Squared Curriculum to develop the skills and understanding necessary to have strong mathematical fluency.

After Algebra I, Mastery’s students study Algebra I, Geometry and Algebra II, with opportunities for more advanced study in Precalculus, Calculus and Statistics. Our core program for Algebra II, Geometry and Precalculus is Agile Mind.

Teaching math at Mastery you will set high expectations and provide high support so that all of your students are able to succeed. You will work alongside our Specialized Services and School Culture teams to ensure your students receive the help they need to thrive.

At Mastery we value Continuous Improvement and want you to learn and grow in your craft. We utilize a team of Assistant Principals, central-office coaches, and school-based content teams to provide every teacher coaching and feedback. We have professional development or peer collaboration time built into our staff calendar. You will receive more than 250 hours of professional development annually and have a professional development allowance to use to further your growth.

Duties and Responsibilities:
Drive student achievement and set high expectations for all students
Commit to professional growth, self-reflection, a receptiveness to feedback, and a desire to continuously improve
Implement rigorous and appropriate lesson plans, assignments, and assessments in cooperation with Mastery school-based leadership and curricular resources developed by Mastery’s central office Academic Team
Work closely with school leaders to analyze student assessment data to measure progress and use data to inform instruction
Collaborate in grade level teams to discuss student work, share best practices, plan events for joy and humor, and ensure student mastery of standards
Engage families in their children’s education by building relationships and maintaining regular communication
Demonstrate genuine interest, belief, and care for students’ personal and academic success
Respond positively and effectively to challenges with a solutions-oriented resiliency

Education, Experience, and Skills:
Bachelor’s degree required with a record of personal, professional, and/or academic achievement
Teacher certification – completed or in process
Demonstrated expertise in subject area
Outstanding instructional skills driven by data and delivered through rigorous and engaging strategies

Physical Requirements:
Ability to physically perform the essential duties of the role, and to work in the environmental conditions required, such as: traveling to network campuses; maneuvering in office spaces (including standing, walking, sitting for long periods of time, speaking loudly and clearly, seeing and hearing things both near and far away); stooping, kneeling, reaching file cabinets/shelves; fine finger and hand manipulation in use of computer, chalkboard, dry erase, &/or projectors; filing, faxing, scanning, coping, typing, mailing, and making phone calls; sitting for up to two (2) hours looking at a computer monitor, using a keyboard/mouse, and typing.

Mastery’s Benefits Package:

We offer a full benefits program and opportunities for professional growth. Some of our most popular benefits include our 403(b) retirement plan for PA employees (with a 5% match from Mastery for full-time employees), enrollment in the State of New Jersey Pension Plan for NJ employees, a robust Employee Assistance Program, mental health and counseling programs, an annual Professional Development Fund, and discounts and perks at a myriad of retailers, travel organizations, insurance providers, and so much more, as well as access to the HealthAdvocate Helpdesk to help you navigate various benefits-related topics.