Centennial Montessori School is an AMI-recognized school serving children from infancy through age 12. Located in San Mateo, just 20 miles south of San Francisco, we are a well-established and growing school grounded in authentic Montessori practice.
We are a close-knit, mission-driven community of educators, children, and families who believe deeply in purposeful work, independence, and respect. Our classrooms are supported by engaged parents, collaborative colleagues, and leadership committed to both fidelity to Montessori principles and thoughtful school growth.
As we continue to expand our Elementary program, we are seeking an additional AMI-trained Elementary Lead Guide to join our team.
We are looking for a Montessori educator who feels called to the upper elementary child; someone who can lead a vibrant 9–12 classroom with both confidence and care.
This is a full-time Lead Guide position with responsibility for:
Leading a Montessori elementary classroom (ages 9–12)
Mentoring and directing a classroom assistant
Preparing and maintaining a rich, ordered, and engaging environment
Supporting each child’s academic, social, and emotional development
The ideal candidate is reflective, organized, and grounded in Montessori practice, with a strong ability to balance individualized learning, community leadership, and clear communication.
You are someone who:
Holds a deep respect for the Montessori method and AMI principles
Brings warmth, consistency, and professionalism to your work
Is confident in leading a classroom and guiding both children and adults
Values careful observation and uses it to inform instruction
Is committed to follow-through, organization, and strong communication
Sees teaching as both a craft and a responsibility
We value educators who are committed not only to Montessori philosophy, but to the consistent execution and reflection required to sustain a high-quality environment.
Lead and implement an authentic AMI Montessori elementary program
Provide individualized instruction and ensure each child’s progress
Maintain accurate, timely student records and documentation
Establish a calm, respectful, and purposeful classroom culture
Mentor and direct the classroom assistant
Communicate professionally and effectively with families
Collaborate with colleagues and school leadership
Participate in school events, conferences, and community activities
👉 Full position description available below / linked.
Required:
AMI Elementary Diploma
Strong understanding of Montessori elementary pedagogy
Ability to meet all California licensing and background requirements
Preferred:
3–5+ years experience leading a Montessori elementary classroom
California teaching credential (or equivalent experience)
Experience working collaboratively with assistants and families
Salary range: $78,000–$110,000 (based on experience and qualifications)
Health, dental, and vision insurance
401(k) with employer matching
Paid time off
Professional development opportunities, including AMI refresher support
Tuition discount for eligible staff children
Full-time, in-person
Monday–Friday (typical hours 7:30 am – 3:30 pm)
Location: San Mateo, CA
AMI-recognized program with strong Montessori fidelity
Supportive, collaborative faculty culture
Engaged and appreciative parent community
Opportunity to grow with an expanding school
Leadership that values both excellence and humanity