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Substitute Teacher

St. Louis, Mo

Looking for a flexible role working with children in a meaningful, supportive environment?

Join our on-call Substitute Teacher team at Guidepost Montessori!

We’re always excited to welcome warm, dependable substitute guides to support our mixed-age Montessori classrooms when our full-time teachers are out. No formal Montessori training is required, we’ll provide training as part of your orientation and onboarding.

About the Role

This is an on-call, as-needed position, ideal for individuals seeking flexible hours while making a positive impact on young children.

As a Substitute Teacher, you’ll support multiple classrooms serving children ages 0–6, helping maintain a calm, engaging, and nurturing learning environment.

Many of our substitute teachers go on to become full-time Assistant Teachers, making this a great opportunity to get your foot in the door at Guidepost Montessori.

What You’ll Do

  • Step into classrooms as needed to support children and maintain consistency
  • Assist with daily routines and classroom activities across mixed-age groups
  • Help create a warm, safe, and engaging environment for children
  • Collaborate with school staff to ensure smooth transitions and continuity of care
  • Model patience, professionalism, and kindness in every interaction

Schedule & Flexibility

  • Hours and days vary based on school needs
  • Perfect for those seeking part-time, flexible, or supplemental work

Minimum Qualifications

  • Negative TB test within the last 12 months
  • Valid state background check
  • Strong interpersonal and communication skills
  • Warm, friendly, and dependable demeanor
  • Passion for working with young children

Preferred (but not required):

  • Early Childhood Education (ECE) units
  • Recent experience working with children ages 0–6

Why Guidepost Montessori?

Guidepost Montessori is a global community of educators dedicated to transforming education through independence, curiosity, and respect for each child.

We are committed to expanding high-quality, authentic Montessori programs across the U.S. and around the world creating environments where children and educators alike can thrive.

If you love children, value flexibility, and are looking for a meaningful way to grow in early childhood education, we’d love to meet you.

Apply today and become part of our school community!

Guidepost Global Education and Guidepost Montessori are committed to a policy of Equal Employment Opportunity (EEO). We will not discriminate on the basis of age, sex, race, color, creed, religion, ethnicity, sexual orientation, gender identity, gender expression, national origin, alienage or citizenship, disability, marital status, military or veteran status, or any other legally recognized protected basis under applicable federal, state or local laws, regulations or ordinances. Our leadership is dedicated to ensuring the fulfillment of this policy. When requested, we are committed to reasonably accommodate employees and applicants with disabilities or special needs that may require an accommodation.

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