They cast the ED net comically broadly:
The student exhibits any of the following characteristics to a degree that adversely affects the child's educational experience.
Any inability to learn which cannot be explained by intellectual factors.
Any inability to build or maintain satisfactory relationships with peers or teacher.
Any inappropriate types of behavior or feelings under normal circumstances.
A general mood of unhappiness or depression.
A tendency to develop anxieties or fears associated with school.
That's not your district's doing though; that's straight out of IDEA's definition of emotional disturbance:
idea 
