I have no idea where this originally comes from. I found the list my first year of teaching the in the school. To be specific, I found it on the wall of the staff bathroom. So I made a copy of it and then created this image. I will say that keeping these reasons in the back of my mind when a student has behaved has helped me out immensely. It is compassion. And we all need a little bit of compassion in education.
10 Reasons Students Misbehave