Early Childhood Assistant Teacher. Whole Earth Montessori School Bothell, WA. The position of an ECE Assistant Teacher is responsible for providing instructional support, implementing planned activities, and ensuring the safety of children. This position is for a 10-month contract (September-June). This position will start at the beginning of the coming 2024-2025 school year. Duties & Responsibilities. (These duties are a representative sample. p...