Flexible On-Call Montessori Substitute Teacher

Guidepost Montessori; Mill Valley (CA); On-site; USD 28,000 - 39,000; Part time

Job summary

Guidepost Montessori in Mill Valley, CA is seeking friendly on-call Substitute Teachers to support mixed-age classrooms for ages 0–6 when regular teachers are out. No formal Montessori training is required; orientation and onboarding include training.

This flexible, part-time position is ideal for someone seeking meaningful, part-time work and a pathway to full-time Assistant Teacher roles. You’ll step into classrooms, assist with routines, help create a warm, safe learning environment, and

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: Early Childhood Education (ECE) units.
• Preferred: Experience with children ages 0–6.

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

Dependability

Passion for young children

Education

ECE units

Job description

Guidepost Montessori in Mill Valley, CA is seeking friendly on-call Substitute Teachers to support mixed-age classrooms for ages 0–6 when regular teachers are out. No formal Montessori training is required; orientation and onboarding include training.

This flexible, part-time position is ideal for someone seeking meaningful, part-time work and a pathway to full-time Assistant Teacher roles. You’ll step into classrooms, assist with routines, help create a warm, safe learning environment, and