High School Math Teacher - 9th-12th Grade

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

Apply for the High School Math Teacher position at Mastery Schools.

Founded in 2001, Mastery Schools is a public charter network of 23 K‑12 schools in Philadelphia and Camden, serving more than 14,000 students. We are on a mission to provide all students with the academic and personal skills they need to succeed after graduation, pursue their dreams, and promote equity. Our culture is built on respect, service, and inclusivity.

You will work relentlessly to foster a love of math with students while growing and developing in your craft. Students engage with the Eureka Math Curriculum and our Agile Mind core program, and you set high expectations and provide high support.

• Drive student achievement and set high expectations for all students
• Commit to professional growth, self‑reflection, receptiveness to feedback, and continuous improvement
• Implement rigorous and appropriate lesson plans, assignments, and assessments in cooperation with school‑based leadership and central‑office resources
• Work closely with school leaders to analyze student assessment data, measure progress, and use data to inform instruction
• Collaborate in grade‑level teams to discuss student work, share best practices, plan events, and ensure mastery of standards
• Engage families 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

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

• Ability to perform essential duties and work in required environmental conditions, including traveling to network campuses, maneuvering in office spaces, standing, walking, sitting for long periods, speaking loudly and clearly, seeing and hearing at various ranges, stooping, kneeling, reaching file cabinets, using computer, chalkboard, dry erase, projector, filing, faxing, scanning, typing, mailing, making phone calls, and sitting up to two hours looking at a computer monitor.

• New teachers start at $60,000; salaries range from $60,000 to $111,000 based on experience and education.

• 403(b) retirement plan for PA employees (5% match)
• State of New Jersey Pension Plan for NJ employees
• Employee Assistance Program, mental health and counseling programs
• Annual Professional Development Fund
• Discounts and perks at various retailers, travel organizations, insurance providers, and more
• Benefits VIP Helpdesk

We encourage diverse candidates, including those from non‑traditional backgrounds, to apply. We may consider equivalent combinations of knowledge, skills, education, and experience to meet minimum qualifications.

Mastery Schools is an equal opportunity employer.