English as a Second Language (ESL) Teacher – K-6th Grade - 2026/2027 School Year

Mastery Charter Schools • Philadelphia, PA

1d • Onsite

About The Position

Mastery Schools is a public charter network of 23 K-12 schools in Philadelphia and Camden, serving over 14,000 students. Our mission is to provide students with the academic and personal skills needed to succeed after graduation. We are committed to pursuing equity, disrupting systemic racism, and addressing disparities. Our culture is built on respect, service, and the belief that student success drives our mission. We foster a positive, open, and inclusive environment celebrating honesty, humor, and continuous improvement. This role is at our Hardy Williams Elementary campus in Southwest Philadelphia.

The Multilingual Programs at Mastery Schools believe that native language skills are an asset that transfers to secondary language learning. Students receiving ELD services are taught social & instructional language alongside the academic language of Language Arts, Math, Science, and Social Studies throughout each stage of English proficiency. ESL teachers work with multilingual learners to build language capacity, increase access to the curriculum, and bridge students’ prior learning and experiences into English-instructed classrooms and the school environment. Mastery values the language and cultural diversity of English Learners, incorporating their literature and historical perspectives into the curriculum, school community, and classroom culture. Whether starting a teaching career or launching a new chapter, passion and experience are valued, with limitless opportunities for growth and impact. Natural talents will be fostered, and training and support will be provided for effectiveness. As a Mastery team member, you will be trusted to make decisions and held accountable for critical results. You will engage in a positive and professional workplace embedded in a warm, joyful, student-centered, and welcoming school culture.

Requirements

• 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
• Commitment to and experience working with underserved communities
• Determination to drive student achievement and set high expectations for all students
• The ability to motivate, support, and challenge students in a student-centered, standards-driven classroom community
• A positive mindset and a drive for personal excellence
• Solutions-oriented resiliency to respond positively and effectively to challenges
• Outstanding instructional skills driven by data and delivered through rigorous and engaging strategies

Responsibilities

• Commit to ongoing professional development in the spirit of continuous improvement
• Develop 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
• Commit to professional growth, self-reflection, a receptiveness to feedback, and a desire to continuously improve

Benefits

• 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
• Robust Employee Assistance Program
• Mental health and counseling programs
• Annual Professional Development Fund
• Discounts and perks at a myriad of retailers, travel organizations, insurance providers, and so much more
• Access to the Health Advocate Helpdesk to help you navigate various benefits-related topics

What This Job Offers

• Job Type: Full-time
• Career Level: Entry Level