Primary Additional School Care (ASC) Assistant

Start Date: August 10, 2026

We are currently seeking a warm and engaging Primary Additional School Care (ASC) Assistant to join our team. The Primary ASC Assistant supports our robust after-school program by applying Montessori principles and fostering collaboration, independence, and environmental care. They help maintain a home-like setting with seasonal art, games, books, and outdoor movement activities. Encouraging children to function as a cohesive mixed-age after-school community. The role involves consistent supervision, collaboration with the ASC lead, and support for maintaining a clean and organized environment. Additional duties include conducting the morning playground safety check and setup, providing afternoon support during class lunch and nap time.

This position operates on a 10-month school calendar year (mid-August through mid-June), with paid breaks during the school year. During the summer months, optional four- week summer camp employment opportunities are available.

This is a full-time, non-exempt (37.5 hours/week) position; Monday - Friday (10:30 am - 6:00 pm).

This is an especially exciting time to join Marin Montessori School, a highly regarded Bay Area Independent school accredited by the Association Montessori Internationale (AMI) and California Association of Independent Schools (CAIS). For over 60 years, we have served the families of Marin County, providing a rich and authentic Montessori education that nurtures the development of the whole child: intellectually, physically, socially, creatively, and emotionally.

Located on a stunning waterfront campus, our children enjoy expansive indoor and outdoor learning experiences year-round. Our sunlit classrooms and vibrant outdoor environments foster curiousity and independence. We are a collaborative and joyful community of educators, students, families, and administrators, all aligned in our mission: to guide children in becoming independent, responsible, and compassionate individuals who think critically and understand their role in the world.

Required Experience, Qualifications, and Attributes:

• Minimum 12 ECE units, including Child Development and Child, Family & Community
• At least six months' experience working with young children
• Kind, joyful attitude with a desire to learn on the job
• A collaborative and flexible approach to working with colleagues
• Excellent verbal and written communication skills
• Must be able to lift and carry 40 pounds
• Must be able to lift and carry 40 pounds

Ideal Qualifications:

• Current CPR and First Aid certification
• Knowledge of Montessori pedagogy

Why Join Us?

Marin Montessori School is a community of educators and engaged families. Our value-driven work environment emphasizes lifelong learning, collaboration, and professional growth. We are deeply committed to diversity, equity, and inclusion, and seek individuals who reflect and support these values. Reasonable accommodations are available to individuals with disabilities to enable them to perform essential job functions.

Marin Montessori School is an Equal Opportunity Employer, committed to creating a diverse and inclusive environment free from discrimination based on age, race, gender, religion, disability, marital or parental status, sexual orientation, military status, or other protected characteristics.