On-Call Montessori Substitute Teacher (Flexible Hours)

Guidepost Montessori; St. Louis (MO); On-site; USD 17,000 - 22,000; Part time

Job summary

Guidepost Montessori is seeking a flexible on-call Substitute Teacher to support mixed-age classrooms (0–6) when full-time teachers are out. No formal Montessori training required; training provided during orientation.

You’ll step into classrooms, assist with routines, foster a warm, safe learning environment, and collaborate with staff. This role offers part-time, flexible hours and a pathway to potential full-time Assistant Teacher positions.

Qualifications

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

Responsibilities

• 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.

Skills

Interpersonal skills

Communication skills

Warm and dependable demeanor

Passion for working with youngchildren

Education

Early Childhood Education (ECE) units

Job description

Guidepost Montessori is seeking a flexible on-call Substitute Teacher to support mixed-age classrooms (0–6) when full-time teachers are out. No formal Montessori training required; training provided during orientation.

You’ll step into classrooms, assist with routines, foster a warm, safe learning environment, and collaborate with staff. This role offers part-time, flexible hours and a pathway to potential full-time Assistant Teacher positions.