Intellectual Disability means significantly sub average general intellectual functioning existing concurrently with deficits in adaptive behavior manifested during the developmental period that adversely affects a child’s educational performance.
A child displays intellectual disability when:
(1) The child performs 2.0 Standard Deviations below their peers of equivalent age, ethnic, and cultural background when measured by a standardized instrument of cognitive ability;
(2) The child displays adaptive behavior consistent with measured cognitive ability.Adaptive behavior refers to the effectiveness with which a student meets the standards of personal independence and social responsibility expected of his/her age and cultural group.There should be a significant positive correlation between the student’s intellectual ability and adaptive behavior; and,
(3) The disability adversely affects the child’s educational performance.