Might be stuck in school for the rest of my afterlife!

A high school girl was killed and her soul stranded in her school, no one knows who did it nor the exact cause of death, they only know it wasn't the first time a student had died in Greenyear Highschool. Rumors are going around about their cover-ups and schemes, who, where, what, and why did they do it? who's the next victim? find out as Carol Harper unfolds the mystery of her death while finding the murderer or shall I say, murderers? Carol is guaranteed to find unfortunate luck on her journey to discover the truth.