Barrie School is a progressive independent school that inspires excellence, intrinsic motivation, and responsibility through innovation in learning. Serving a diverse and inclusive student body, our intentional educational throughline—from Montessori (12 months to Grade 5) to Project-Based Learning (Grade 6 to Grade 12)—cultivates learning that lasts. Our challenging educational experiences unlock intrinsic motivation and innovation in both students and faculty. And our community fosters a deep sense of belonging and honors student voice and responsibility. All of this comes together to create engaged citizens with diverse and inclusive worldviews who are confident to be and advocate for themselves.

Located in Silver Spring, Maryland, Barrie School provides an extraordinary learning environment integrating local, national and global educational opportunities. Our 45-acre campus is home to the world-renowned Barrie Institute for Advanced Montessori Studies—one of the largest school-based teacher training programs in the country—and Barrie Camp, a Washington, D.C. area tradition since the 1950s.

Empowering individuals to expand their intellectual abilities, develop creative talents, and discover their passions to make a positive impact in a rapidly changing world.

Founded:  1932 Headquartered:  Silver Spring, MD
Phone:  (301) 576-2800 Website:
Part-time Teachers and Teacher Assistants

Location: 13500 Layhill Road
Silver Spring, MD 20906
United States of America
Years of Experience: 2-5 Years
Department: Toddler and Primary Level of Education: High School Diploma
Full/Part Time: Part Time


Extended Day Faculty positions at Barrie require self-directed, student-focused, flexible faculty members who are accountable for supporting students in a Montessori environment, complying with OCC regulations, and ensuring the safety and well-being of all children in his/her care.

  • Montessori Credentialed Lead teachers will plan and implement a Montessori program appropriate for students during the extended time of 7:00-8:30am and/or 3:15-6:00pm.

  • Non-Montessori-credentialed Teachers or Aides

    • When functioning as the Lead Teacher, plan and implement a program that applies Montessori principles as much as possible, concepts learned in the Assistant Montessori Training Program, and concepts learned while shadowing or observing Montessori teachers.

    • When functioning as the Supporting Teacher or Aide, support the Lead Teacher in leading classroom activities applying Montessori principles as much as possible, concepts learned in the Assistant Montessori Training Program, and concepts learned while shadowing or observing Montessori teachers.


Responsibilities Include

  • Planning and Implementing a schedule of activities (When acting as a Lead Teacher)

  • Implementing the schedule of activities

  • Complying with OCC Regulations

  • Complying with the Extended Day Employee Guide

  • Complying with the Barrie Employee Handbook

  • Maintaining a Montessori environment

  • Transitioning students and the classroom from the regular school day to the Extended Day Program

  • Walking students to classrooms or activities

  • Caring for students on the playground

  • Caring for the classroom and materials

  • Changing diapers in the toddler program

  • Helping children with illness or accidents

  • Assisting in restoring the classroom to ensure it is ready for the next day

Staff will be assigned to a regular group but may also be a floater or work with a different class should staffing needs change. Although our goal is stability, there are times when flexibility is required.


  • Desire to work with children 18 months - 6 years old

  • Desire to learn and follow Montessori principles

  • Able to obtain a Maryland Office of Child Care (OCC) Aide Credential which includes a background check and physical

  • 1 year experience working with children 18 months - 6 years old, preferably  in a Montessori classroom

  • Able to successfully complete OCC pre-service and any other OCC required training


Salary commensurate with experience and credentials

Version updated 3/29/2021 6:11 PM