Head Start: Federally-funded child development program; provides educational experiences, medical and dental services, nutritional meals, counseling and opportunities for parental involvement; help prepare low-income children and children with disabilities ages 3-5 to enter and succeed in school. (AIRS HD-1800.3000) Early Head Start: A federally-funded program; provides early education, health, mental health, nutrition and social services; low-income pregnant women and families with children birth to 3. (AIRS HD-1800.1800)