Preschool Assistant Teacher for summer camp program. Assistant Preschool Teacher – Job Description 6/3-8/2 2024. Willowwind School, an independent PreK through sixth grade school in Iowa City, is actively seeking an Assistant Teacher for its Montessori Preschool Summer camp Program. The Assistant Preschool Teacher is responsible for working with students, individually and in small groups, as well as assisting the Classroom Teacher with all daily ...