Elementary Montessori Co-Teacher / Montessori-Trained Assistant Teacher (Ages 6–9)

North American Montessori Teachers' Association (NAMTA); Chelmsford (MA); On-site; USD 40,000 - 52,000; Full time

Benefits offered by this job

Paid sick time

Personal time

Holiday breaks

Job summary

North American Montessori Teachers' Association (NAMTA) seeks a certified Lower Elementary Montessori Guide or Montessori-trained Assistant Teacher for a Co-Lead or Assistant role serving 1st–3rd year students (ages 6–9). This school-year position emphasizes collaboration, thoughtful planning, and social-emotional growth within a team-based setting.

The role focuses on designing lessons, observing learners, and maintaining a supportive and rich academic environment while aligning with Montessori

Qualifications

• Certified Lower Elementary Montessori Guide or Montessori-trained Assistant Teacher.
• Experience designing and maintaining a Montessori environment for ages 6–9.
• Ability to design individual and small-group lessons integrating Practical Life, Grace and Courtesy, and Cosmic Education.
• Experience observing students to guide materials and foster independence.
• Comfort with school-designated software for recording student progress and behaviors.

Responsibilities

• Collaborate with a co-teacher to design and maintain an orderly Montessori environment.
• Plan and implement individual and small-group lessons aligned to Montessori curriculum.
• Work with the co-teacher to set goals and support student growth.
• Present lessons per Montessori pedagogy and principles.
• Foster a joyful, inclusive learning atmosphere and support the whole child.
• Observe students to identify interests and readiness for appropriate materials.
• Maintain records of student work, progress, and observations in school software.
• Chaperone off-site field trips and participate in Outdoor Classroom activities.

Skills

Collaboration with co-teacher

Lesson planning

Montessori pedagogy

Student observation

Record keeping

Field trip chaperoning

Education

Lower Elementary Montessori Guide

Montessori-trained Assistant Teacher

Job description

Elementary Montessori Co-Teacher / Montessori-Trained Assistant Teacher (Ages 6–9)

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.

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.

Qualifications

• 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