IDEA’s definition of transition services:
§300.43 Transition services.
(a) Transition services means a coordinated set of activities for a child with a disability that—
(1) Is designed to be within a results-oriented process, that is focused on improving the academic and functional achievement of the child with a disability to facilitate the child’s movement from school to post-school activities, including postsecondary education, vocational education, integrated employment (including supported employment), continuing and adult education, adult services, independent living, or community participation;
(2) Is based on the individual child’s needs, taking into account the child’s strengths, preferences, and interests; and includes—
(ii) Related services;
(iii) Community experiences;
(iv) The development of employment and other post-school adult living objectives; and
(v) If appropriate, acquisition of daily living skills and provision of a functional vocational evaluation.
(b) Transition services for children with disabilities may be special education, if provided as specially designed instruction, or a related service, if required to assist a child with a disability to benefit from special education.