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Nap & Extended Care Assistant & Long Term Sub

Chesterfield Montessori School
Chesterfield, MO Full Time
POSTED ON 12/4/2025 CLOSED ON 1/2/2026

What are the responsibilities and job description for the Nap & Extended Care Assistant & Long Term Sub position at Chesterfield Montessori School?

Company Description

Chesterfield Montessori School (CMS) has been educating global innovators since 1981 through hands-on, experiential learning for children from 14 months through sixth grade. Partnering with families from St. Louis and around the world, CMS aims to realize the unique potential of each child and contribute to global peace. Situated on five acres in Chesterfield, Missouri, the facility includes a tennis and basketball court, a prairie restoration project, playgrounds, and a children's garden. CMS is the only school in the St. Louis area recognized by the Association Montessori Internationale and accredited by the Independent Schools Association of the Central States. The school is also recognized as a Great Place to Work organization.


Role Description

We have two openings currently.


One is an immediate, full time classroom role working with 2.5 to 6 year old children during lunch, recess, nap and Extended Day. The hours are 11 AM to 5:30 PM, M-F. This position includes 100% employer paid health insurance and other benefits.


The other position is a long-term substitute position in our Upper Elementary classroom for 9-12 year old children. The sub will be acting as a classroom assistant during a 6-8 week maternity leave, from mid-to late January to mid March. Additional hours of paid training will be included prior to the full time start.


The sub role could lead to a full-time position, or regular subbing opportunities after the Elementary position ends.


Both roles pay $17.00/hour


Qualifications

  • Experience working children
  • Familiarity with Montessori principles and methodologies preferred
  • Ability to manage classroom environments and assist with daily routines
  • Excellent communication and interpersonal skills
  • Ability to work collaboratively with other staff and support lead teachers
  • First aid and CPR certification is a plus

Salary : $17

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