“Emotional Disturbance” means a condition exhibiting one or more of the following characteristics over a long period of time and to a marked degree that adversely affects a child’s educational performance
An inability to learn that cannot be explained by intellectual, sensory, or health factors;
An inability to build or maintain satisfactory interpersonal relationships with peers and teachers:
Inappropriate types of behavior or feelings under normal circumstances;
A general pervasive mood of unhappiness or depression; or
A tendency to develop physical symptoms or fears associated with personal or school problems;
The term includes schizophrenia but does not apply to children who are socially maladjusted, unless it is determined that they have an emotional disturbance.