Early childhood programs providing a safe and nurturing environment that promotes the physical, social, emotional, language, and cognitive development of young children while responding to the needs of families. Programs encompass six components - developmental screening and assessment, curriculum, adult-child interaction, relations between home and school, developmental evaluation of the child, and transition to an appropriate program and is responsive to individual differences of both typically developing children and children with disabilities. Classrooms consists of two types of preschool experiences: PUBLIC PRESCHOOL and INTEGRATED PRESCHOOL. A Public Preschool classroom will contain approximately 16, mostly typically developing, students per session. An Integrated Preschool Classroom will contain approximately 12 students, six typically developing children, and six children with special needs. Both types of classrooms will contain a licensed teacher, and an assistant teacher. Some integrated classrooms may also contain classroom aides depending on the needs of the children involved.