Any building or group of buildings situated in the IN Institutional District, used or occupied for churches, chapels or other places of worship, schools or educational facilities for private, nursery, elementary, junior high school or high school, whether boarding or nonboarding, may operate day-care facilities for either the elderly or children, including a day-care school for children on said premises and within said buildings. The day-care use may operate simultaneously with the other use so long as the applicant can demonstrate adequate parking, circulation and ingress and egress to accommodate the uses and prevent any dangerous traffic conditions at or near the site.