MENTAL RETARDATION (MR)

Definition

Children who have mental retardation exhibit learning problems which vary in degree of severity, including Educable Mentally Retarded (EMR), Trainable Mentally Retarded (TMR) or Severely/Profoundly Retarded (S/Pr).  These children have significantly sub-average intelligence existing concurrently with deficits in adaptive behavior and in academic functioning or performance that adversely affects a child's educational performance.  Delays in cognitive abilities, adaptive behavior and developmental milestones must have been evidenced during a child's developmental period, and upon entering school, such delays must have adversely affected a child's educational performance.