in disability categories other than deaf-blindness) are evaluated by qualified professionals including teachers of deaf-blind, using valid and reliable assessments, for such children’s need for instruction and services meeting their unique language and communication, literacy, academic, social and related learning needs, including instruction which may be needed by children without disabilities or with other disabilities but which must be specifically designed, modified, or delivered to meet the unique language and communication, academic, and related learning needs of children with deaf-blindness