Extensive Support Needs (ESN) Includes autism; deafblind; extensive support needs; intellectual disability; multiple disabilities; orthopedic impairment; other health impairment; emotional disturbance; traumatic brain injury, and authorizes service in grades K-12, transitional kindergarten, and in classes organized primarily for adults through age 22. The Westminster School District, located in West Orange County, operates 17 schools: 13 elementary sites, three middle schools, and one site which provides infant, toddler and preschool programs.