Start Date: ASAP Marin Montessori School is seeking a joyful and resourceful primary support assistant to support two primary classrooms serving children ages 2–6. This role includes preparing classroom materials, supervising children during staff breaks, and providing on-call support when teachers are out. This position operates on a 10-month school calendar (mid-August through mid-June), with paid breaks during the school year. During the summer months, optional four-week summer camp opportunities are available. This is a full-time, non-exempt (37.5 hrs/week) position; Monday - Friday (7:30 am - 3:30 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 the 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 curiosity 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 critcally and understand their role in the world. Key Responsibilities: • Support daily classroom operations in two primary classrooms • Prepare materials (cutting, sewing, playdough, punching paper, etc.) • Supervise children during staff breaks, maintaining line of sight • Serve as on-call assistant substitute when staff are absent Required Qualifications & Attributes: • Minimum 12 ECE units, including Child Development and Child, Family & Community • At least six months' experience working with young children in a licenced childcare facility. • Kind, joyful attitude with a desire to learn on the job • Interest or experience in crafting/material prep • Professional, reliable, punctual, and resourceful • Basic computer skills; excellent verbal and written communication • Able to lift up to 40 lbs, sit on the floor, and move up/down with ease • Organized and detail-oriented • Ability to successfully complete a background check • Collaborative and flexible approach to working with colleagues Preferred Qualifications: • Bachelor's Degree or higher • Fluent Spanish speaker • Knowledge of Montessori principles and enthusiasm to learn 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.