Barrie School is a learning institution comprised of three divisions:

  • Barrie Montessori - serving students age 18 months through grade 5, and aspiring Montessori educators at the Institute for Advanced Montessori Studies;
  • Barrie Prep - serving students in grades 6 through 12; and
  • Barrie Camp - a summer day-camp program serving children ages 4 through 14.

Barrie School serves 330 students, and since our founding in 1932, has maintained a commitment to multiculturalism and diversity. Our extraordinary environment for learning is located on 45 wooded acres just outside Washington, D.C.

At Barrie, faculty appreciate students as individuals. Learning is a hands-on experience for all our students: they are fully engaged in their own education.

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

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 5/14/2019 11:32 AM