High School Math Teacher – 9th-12th Grade – 2025/2026 School Year Position Available In Philadelphia, Pennsylvania

Job Description:

About Mastery:

Founded in 2001, Mastery Schools is a publiccharter network of 23 K-12 schools in Philadelphia and Camden,serving more than 14,000 students. At Mastery, we’re on a missionto provide all students with the academic and personal skills theyneed to succeed after graduation and pursue their dreams. Studentachievement is not just a goal for our organization; it’s thereason we exist, and every member of our team is dedicated tosecuring student success. We are also committed to pursuing equity,actively disrupting systemic racism, and addressing the disparitiesthat limit our students’ choices. Our culture is built on respect,service, and the belief that the success of our students, theirfamilies, and the communities we serve will help us achieve ourmission. We foster a positive, open, and inclusive environmentwhere honesty, humor, and continuous improvement are celebrated.

Join us in creating a model urban school district that serves allstudents with excellence. Together, we can make a lasting impact.

This role is eligible for a $5,000 bonus as well as up to $5,000for relocation expenses! New teachers start at $60,000, withMastery offering up to $82,000 based on experience and education.

Salaries range from $60,000 to $111,000, with growth opportunitiesas your career progresses.

The Opportunity:

We live in a worldwhere math unlocks a future of possibilities. As a Math Teacher atMastery you will work relentlessly to foster a love of math withyour students while growing and developing in your craft. From themoment they enter our buildings, young mathematicians at Masteryengage with the cutting edge, open-source Eureka Math Curriculum todevelop the skills and understanding necessary to have strongmathematical fluency. Our Kindergarteners through 8th Graders learnwith Eureka so that, from 9th through 12th Grade, they are preparedfor the rigors of higher math. From 9th through 12th Grade,Mastery’s students study Algebra I, Geometry and Algebra II, withopportunities for more advanced study in Precalculus, Calculus andStatistics. Our core program for Algebra I/II, Geometry andPrecalculus is Agile Mind . Teaching math at Mastery you will sethigh expectations and provide high support so that all of yourstudents are able to succeed. You will work alongside ourSpecialized Services and School Culture teams to ensure yourstudents receive the help they need to thrive. At Mastery we valueContinuous Improvement and want you to learn and grow in yourcraft. We utilize a team of Assistant Principals, central-officecoaches, and school-based content teams to provide every teachercoaching and feedback. We have professional development or peercollaboration time built into our staff calendar. You will receivemore than 250 hours of professional development annually and have aprofessional development allowance to use to further your growth.

Duties and Responsibilities:

Drive student achievement and set highexpectations for all students Commit to professional growth,self-reflection, a receptiveness to feedback, and a desire tocontinuously improve Implement rigorous and appropriate lessonplans, assignments, and assessments in cooperation with Masteryschool-based leadership and curricular resources developed byMastery’s central office Academic Team Work closely with schoolleaders to analyze student assessment data to measure progress anduse data to inform instruction Collaborate in grade level teams todiscuss student work, share best practices, plan events for joy andhumor, and ensure student mastery of standards Engage families intheir children’s education by building relationships andmaintaining regular communication Demonstrate genuine interest,belief, and care for students’ personal and academic successRespond positively and effectively to challenges with asolutions-oriented resiliency

Education, Experience, and Skills:

Bachelor’s degree required with a record of personal, professional,and/or academic achievement Teacher certification – completed or inprocess Demonstrated expertise in subject area Outstandinginstructional skills driven by data and delivered through rigorousand engaging strategies

Physical Requirements:

Ability tophysically perform the essential duties of the role, and to work inthe environmental conditions required, such as: traveling tonetwork campuses; maneuvering in office spaces (including standing,walking, sitting for long periods of time, speaking loudly andclearly, seeing and hearing things both near and far away);stooping, kneeling, reaching file cabinets/shelves; fine finger andhand 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) hourslooking at a computer monitor, using a keyboard/mouse, and typing.masteryschools

Zr Mastery’s Benefits Package:

We offer a fullbenefits program and opportunities for professional growth. Some ofour most popular benefits include our 403(b) retirement plan for PAemployees (with a 5% match from Mastery), enrollment in the Stateof New Jersey Pension Plan for NJ employees, a robust EmployeeAssistance Program, mental health and counseling programs, anannual Professional Development Fund, and discounts and perks at amyriad of retailers, travel organizations, insurance providers, andso much more, as well as a Benefits VIP Helpdesk to help younavigate various benefits-related topics. Please go here to see allof our Benefits offerings !

Annual Calendar:

As you plan to makeMastery your new work home, please feel free to review our Calendarfor the 25/26 School Year . We like to think our calendar is abenefit of working here too!

Why You Should Apply:

Studies haveshown that women and people of color are less likely to apply forjobs unless they believe they can perform every job descriptiontask. We are most interested in finding the best candidate for thejob, and that candidate may come from a less traditionalbackground. Mastery may consider an equivalent combination ofknowledge, skills, education, and experience to meet minimumqualifications. If you are interested in applying, we encourage youto think broadly about your background and skill set for therole.