The love of the founders

When Umbridges harsh treatment's have gone to far causing one of the students to want to end it all Harry does the only thing he can think of, he sends a letter. With no poticular understanding of who will resive it he pins all his hope for his fellow students lives on the letter and his trsuted owl Hedwig. Who will recive it and what will they do for Harry, his friends and his school?

I do not own the characters, just the story idea , Harry Potter universe belongs to J K Rowling