I, too, would be inclined to file a formal complaint. With respect to diminished capacities and emotional fragility, I would seek assistance - even paid/professional assistance - in filing the complaint.
Questions:
Will the delay in graduating mean anything to your future employers?
Is your course of study leading to a vocation suited to you as a long-term depression sufferer?
__________________
My dog
mastered the "fetch" command. He would communicate he wanted something, and I would fetch it.