Job Opening for 2023-2024

7th & 8th grade Math & Science Teacher for Adolescent Program in Stratham, New Hampshire, US

The Cornerstone School in Stratham, New Hampshire is seeking an experienced teacher for our Adolescent Program serving 7th and 8th graders for the 2023-24 school year.  Our school operates its classrooms in a co-lead model so you will be entering this new environment with thought partners as you learn our school and get to know the community of adolescents you will serve together in a beautifully equipped Montessori environment.  Our JR Class for 7th-8th graders typically has 12-22 students enrolled and a teaching team of 3 guides.  The English and Humanities teacher and the Farm/Micro-Economy teacher have been with the school for many years and know the community and students well.

Math curriculum includes Pre-Algebra, Algebra 1 and Science block topics cover: chemistry, physics, biology, meteorology, astronomy, earth sciences, STEM labs, etc.  There are opportunities for collaborating with your co-teachers for cross-curricular study and community service, as well as bi-annual trips to Washington DC and London.

A Montessori credential (or one in progress) from a MACTE accredited program is preferred, but not required, along with relevent teaching experience. Qualified candidates will be dedicated to collaboration, professional development, Montessori philosophy and most of all, adolescents.  From their deep and abiding love and respect for children, our faculty work in a collegial setting to be curious observers, reflective practitioners, and knowledgeable of Montessori and educational best practices to work toward Dr. Montessori’s vision of educating the human potential.  While this cosmic task is a serious undertaking that requires calm confidence, a sense of humor and fun are vital characteristics as well. Exceptional communication and interpersonal skills are required.

The Cornerstone School is an independent Montessori school serving Toddler through eighth grade, with a current enrollment of 160 students. We are committed to laying the foundation upon which each child can build, to become the architect of their own future. Our beautiful school is situated on 11 acres of land in a rural neighborhood setting.  We are close to Boston and the mountains of New Hampshire and 12 miles from Portsmouth, NH with the Seacoast region being a huge draw for those who love outdoor recreation.  Our school is financially sound, has been established for over 35 years and employs a supportive staff of professionals dedicated to providing high quality Montessori education to children.

Position and Work Hours

Cornerstone teachers begin the school year with a 2 week inservice and planning period on August 22, 2023 and finish out the school year on June 20, 2022 (students’ last day is a half day on 6/14).

The employee will teach five sessions in the program per week. Minimum hours are 8-4pm daily. Students arrive at 8:15 and the last group dismisses at 2:50pm. The time from 3:15-4pm provides opportunities working in your classroom with your teaching team and for monthly level or cross-level meetings. Faculty meetings, in-service training, parent/family education, and other events are part of the included duties of a Cornerstone teacher.   A more thorough overview of the typical school calendar and professional days required is available on our website:  2023-2024 Calendar.

Compensation is commensurate with experience and benefits include a professional development stipend, AMS membership, annual retirement contribution, employer health insurance contribution, and flexible leave.

Interested candidates should send a cover letter and resume to our Head of School, Leela Pahl at  Our website is

This service is provided as a courtesy by The Center for Guided Montessori Studies.
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