Refers to policy and procedure manuals, teachers' handbook, special education handbooks, intervention guidelines, dictionaries, directories, curriculum materials, textbooks, library books, catalogs, reference books, charts, computer manuals, professional journals, etc. Interacts and communicates with Principal, other school administrators and staff, co-workers, District administrators and staff, students, parents, volunteers, medical / mental health personnel, Department of Social Services and other agencies, community leaders and resource persons, sales representatives and the general public.