Lower Elementary Montessori Co-Teacher​/Montessori-Trained Assistant Teacher; Ages 6

Lower Elementary Montessori Co-Teacher / Montessori-Trained Assistant Teacher (Ages 6–9) in North Chelmsford, MA, US

We are seeking a certified Lower Elementary Montessori Guide or a Montessori-trained Assistant Teacher to join our team as a Co-Lead Teacher, or a Montessori-trained Assistant Teacher in our program serving 1st–3rd year students (ages 6–9), in response to the continued growth in our Elementary Program. This role is part of a collaborative co‑teaching model, working closely with a partner Lower Elementary guide.

The ideal candidate enjoys working with students to foster independence, intellectual curiosity, and social‑emotional growth, and collaborates effectively with a co‑teacher to support the needs of the whole child. Co‑teaching offers the opportunity to share ideas and responsibilities while providing increased social‑emotional support and more individualized and small‑group lessons, creating a rich and responsive academic environment.

This is a wonderful opportunity for a passionate, creative educator who can plan thoughtfully, problem‑solve collaboratively, and thrive in a team‑oriented setting.

This is a school‑year position 8/31/26 through 6/11/27 (approximately 180 work days). Benefits include paid sick and personal time. Additional days off include 2 weeks during December break, February & April vacation weeks, and major holidays. Pay will commensurate with experience & certification.

• Collaborate with a co‑teacher to design, prepare, and maintain an orderly, beautiful Montessori environment that meets the developmental needs of children ages 6–9.
• Plan and implement individual and small‑group lessons that integrate academics with Practical Life, Grace and Courtesy, and Cosmic Education.
• Work collaboratively with the co‑teacher to set goals, support student growth, and guide the work of individuals and groups.
• Present lessons in accordance with Montessori curriculum, pedagogy, and principles.
• Educate the whole child by applying Montessori philosophy in a joyful, inclusive, and respectful learning environment.
• Actively observe students to identify interests and developmental readiness, guiding them toward appropriate materials that foster mastery and independence.
• Maintain accurate and up‑to‑date records of student work, progress, and behavioral observations using school‑designated software platforms.
• Participate in chaperoning off‑site field trips, physical education programs, and Outdoor Classroom experiences during the Spring semester.
• Represent the school’s mission and values within the school community and to prospective families.