Mathematics Teacher- Leave Replacement

Portledge School; Locust Valley (NY); On-site; USD 60,000 - 80,000; Full time

Job summary

Portledge School, located in Locust Valley, New York, seeks a dedicated Upper School mathematics teacher for a full-time leave replacement role from September 2026 to March 2027. The candidate will teach Algebra and Geometry while fostering a dynamic learning environment.

Ideal applicants will possess a strong mathematics background, a commitment to diversity, and a passion for student outcomes. Experience in both classroom instruction and collaborative learning initiatives is essential, alongside proficiency with Google tools.

Qualifications

• Commitment to anti-racist work and inclusivity.
• Experience in teaching with technology.
• Ability to engage with diverse groups.

Responsibilities

• Deliver consistent high-quality instruction to students.
• Participate in professional development and community building.
• Stay abreast of educational research and practices.

Skills

Instructional strategies

Communication skills

Cultural competency

Adaptability

Coaching ability

Education

BA degree

Teaching certification

Advanced degree in relevant area

Tools

Google Workspace

Job description

Job Description

Portledge School seeks to hire a dynamic Upper School mathematics teacher for a full time leave replacement position from September 2026-March 2027. The ideal candidate will have a strong mathematics background with the flexibility to effectively teach Algebra and Geometry. This individual should be driven to create a classroom environment where student learning is a non‑negotiable goal and passion is evident on a daily basis. Responsibilities include teaching 5 sections of mathematics, participating collegially in meetings and initiatives of the mathematics department and taking an active role in the life of the school community. This position will report to the Upper School Division Head.

Responsibilities

• Delivering consistent high-quality instruction, mentoring and teaching to students.
• Participating in collaborative planning and ongoing professional development and a professional learning community.
• Staying current with educational research and pedagogy related to classroom instruction and educational trends.
• Attending evening/weekend programs that support the community throughout the year.
• Pursuing both self‑guided and formal professional development on an ongoing basis.

Candidate Profile

• Lifelong, intellectual learners who have a passion for teaching and mentoring children.
• Interested in and committed to teaching subject matter from multiple cultural perspectives.
• Committed to and passionate about working in an antiracist school community that embraces anti‑racist work and inclusivity.
• Familiarity with technologies necessary for teaching in an online environment.
• Google competencies - familiarity with and ability to use Google docs, drive and slides as both a professional collaboration tool and an integrated instructional tool in the classroom.
• Clear about instructional goals.
• Knowledgeable about content.
• Clear communicators with their students about what is expected of them and why.
• Knowledgeable about their students.
• Willing to teach students metacognitive strategies.
• Prepared to offer effective feedback.
• Excited about and responsible for student outcomes.

Qualifications

• BA degree minimum; advanced degree preferred in relevant area(s).
• Teaching certification preferred.
• Candidates with formal teaching experience given preference.
• Superb written and oral communication as well as organizational and time management skills.
• Ability to comfortably, warmly, and effectively engage with large and small groups of adults and/or students in professional or social settings.
• Belief in the value of all types of diversity within a school.
• A commitment to the qualities embodied by the Portledge pillars: Kindness, Purpose, Honor, Respect.
• Desire to nurture the whole child and to support students by attending all school events such as art, music, theater, athletics and community functions.
• Committed to teaching and nurturing social emotional learning of children.
• Commitment to excellence and to professional and personal growth.
• Familiarity with and ability to use Google docs, drive and slides as both a professional collaboration tool and an integrated instructional tool in the classroom.
• Ability to develop trusting, supportive relationships with students.
• Coaching ability and enthusiasm is highly desired in a candidate.