We are a 90 place privately owned long day care centre open am to pm Monday to Friday run by two sisters Louise and Nicole. Discover Jack and Jill Kindergarten - your friendly and nurturing childcare centre in Mosman. Our testimonials speak for themselves. Call us on 02. Situated in leafy landscaped gardens in a quiet natural Beaumaris location, Jack and Jill Kindergarten provides a safe, fun and caring environment for your child.