Intellectual Disability

Significantly subaverage general intellectual functioning, existing concurrently with deficits in adaptive behavior and manifested during the developmental period, that adversely affects a child’s educational performance. 

• (a) “Significantly subaverage general intellectual functioning” refers to an intelligence quotient of seventy or below as determined through a measure of cognitive functioning administered by a school psychologist or a qualified psychologist using a test designed for individual administration. Based on a standard error of measurement and clinical judgment, a child may be determined to have significant subaverage general intellectual functioning with an intelligence quotient not to exceed seventy-five. 

• (b) “Deficits in adaptive behavior” means deficits in two or more applicable skill areas occurring within the context of the child’s environments and typical of the child’s chronological age peers.   

(Ohio Operating Standards for the Education of Children with Disabilities, 2014)