the Bishop fired the teacher - the school expelled the student.
In the past there would be no question - but in today's American belief system, it would not surprise me to see homosexual activists in charge of the school in direct opposition to the True Catholic Church.
That is also why of capitalized *IF* since the details are unknown at this time
I did not realize when I posted that the Bishop had intervened and that the teacher firing was not school initiated. I had assumed that the Bishop was the person already in charge of the school.