Mathematics Long-Term Substitute

Job Title: Full-Time Mathematics Long-Term Substitute Instructor

Job Type: Temporary (Timeframe – September to December 2026)

Linden Hall, the nation’s oldest independent boarding and day school for girls, seeks a student-centered Full-Time Mathematics Long-Term Substitute Instructor to join our collaborative faculty team. We’re looking for an engaging educator with middle school teaching experience and a genuine passion for mathematics. In this role, you’ll teach students across grades 6–10 in both college prep and honors-level courses. The ideal candidate thrives in a close-knit community, values diversity, and is committed to helping students of all academic levels.

• Bachelor’s degree in Mathematics (required)
• PA Teaching Certificate in Mathematics 7-12 (preferred)
• Master’s degree (preferred)
• Prior Middle School Teaching Experience (required)
• Previous teaching experience in independent schools (preferred)
• Strong communication and interpersonal skills
• A collaborative and student-centered mindset

• Teach five classes, including sections of College Prep Math 6, Algebra I, Algebra II (CP/Honors)
• Support and participate in school life activities
• Foster positive relationships with students, families, and colleagues
• Attend and support student events in the arts, athletics, and community

• Perform duties as assigned by the Head of School or other administrators

• PA Child Abuse (Act 153)
• PA State Police (Act 34)
• FBI Fingerprint (Act 114)

• Mandated Reporter (Act 126 – Child Abuse Recognition and Reporting Act)
• Suicide Prevention (Act 71)

• Competitive and commensurate with experience
• This long-term substitute position does not offer full-time benefits such as medical, dental, or retirement

Linden Hall is deeply committed to diversity and an inclusive curriculum and community. We actively encourage applications from candidates with broad and diverse backgrounds and from individuals of all races, nationalities, sexual orientations, religions, socioeconomic backgrounds, and beliefs.

This job description in no way states or implies that these are the only duties to be performed by this employee. The Full-Time Mathematics Long-Term Substitute Instructor will be required to follow any other instructions and to perform any other related duties as assigned by the Head of School or another appropriate administrator. Linden Hall reserves the right to update, revise or change this job description and related duties at any time.