Upper School Math Teacher August 2026 in Chelmsford, Essex

Saint George School is a British International school that offers an innovative education through a challenging international curriculum, making learning relevant and meaningful for students by adopting a comprehensive study program based on research and centered on the student as a learner. Throughout its 62 years of existence, Saint George School has become a reference of academic excellence both nationally and internationally, being the only school in the country to offer the prestigious International Baccalaureate program and the first one to receive dual accreditation from the Council of International Schools (CIS), Cambridge International General Certificate of Secondary Education (IGCSE) and the New England Association of School and Colleges (NEASC), with a highly qualified multicultural faculty and staff.

At Saint George School (SGS), we believe in fostering a culture where teaching is not just a linear journey but an ongoing cycle of professional growth, collaboration, and innovation. Teachers at SGS are committed to high expectations, equity, cultural competence, and developmental appropriateness, while also embracing student-centered, inquiry-driven learning. We recognize that becoming an exceptional teacher requires ongoing reflection, adaptation, and engagement with best practices. SGS teachers actively collaborate with content specialists, instructional coaches, and colleagues to ensure meaningful learning experiences and curricular coherence. Our commitment is to nurture a professional learning community where each teacher is supported in their continuous journey toward excellence.

At SGS Upper School, students engage in rigorous academic programs including IGCSE and IB. Our teachers prepare students for academic success, global competencies, and post-secondary pathways through student-centered learning, inquiry-based instruction, and interdisciplinary connections. Upper School teachers serve as mentors and facilitators, ensuring that students develop the skills, mindsets, and resilience needed for higher education and beyond. SGS Teachers are responsible for delivering rigorous, engaging, and inquiry-based instruction that fosters student agency, critical thinking, and real-world connections.

• High-Impact Teaching Practices: Implementing research-based strategies aligned with the SGS Teaching for Excellence Program and NAE Standards.
• Data-Informed Instruction: Using student assessment data to drive instructional decisions and interventions.
• Professional Growth & Collaboration: Engaging in ongoing professional learning, coaching cycles, and peer observations.
• Global Perspectives & Cultural Responsiveness: Cultivating a learning environment that celebrates diversity and prepares students for a globalized world.

Differentiate instruction to meet the needs of diverse learners, including ELLs and students with accommodations. Incorporate technology-enhanced learning experiences that support innovation and digital fluency. Develop interdisciplinary units that integrate global perspectives, ethics, and real-world applications. Foster academic discourse, critical thinking, and independent learning. Design and implement assessments aligned with clearly defined learning goals and academic standards. Ensure that while grades are reported in a traditional format, instruction, assignments, and assessments are structured around academic standards to support deep learning. Use data-driven insights from formative and summative assessments to adjust instruction and provide targeted interventions.

• Professional Growth & Collaboration: Collaborate with IB, IGCSE, content specialists, instructional coaches and leaders to refine best practices in secondary education.
• Attend and contribute to professional development sessions, workshops, and action research initiatives.
• Participate in vertical alignment meetings, PLCs, and professional development programs.
• Mentor students through academic advising, university counseling, and extended essay/thesis guidance.

Actively contribute to the school community, co-curricular programs, and student enrichment activities. Commit to a culture of collaboration, inclusion, and continuous improvement.

SGS teachers are evaluated based on the Teaching for Excellence Program Rubric, which includes 7 essentials: Teaching is Thinking, Uphold Excellence, Professionalism, Ethical Standards & Community Engagement, Reflective Practice, Goal Setting, & Professional Growth.

SGS Upper School Teachers prepare students for success in higher education and global careers, ensuring they graduate as confident, critical thinkers and lifelong learners. SGS teachers are architects of the future, shaping the next generation of innovators, problem-solvers, and leaders who will contribute meaningfully to society and the world.