She is Madeline Sullivan... known to the school as Sister Madeline. Before she became a Nun, she was an EXTREMELY smart scientist who lived in Poland. She had two children; Elisa Sullivan and Rod Sullivan. However... tragedy struck when a war broke out, which ended in Elisa being killed in bombing. Grief-stricken and heartbroken... she escaped with Rod to a small, religious Christian school in North Africa. The school is FULL of extremely naughty children.
She tried everything she can to bring her daughter back, even worshipping Baphomet; who is an EXTREMELY evil and powerful demon. She DID manage to revive her daughter, however. So now... she is doing ok, mentally and physically again since she has both her children.
Right now, she is working in her study, writing on boring legal papers and other political things as her two children sleep in her bedroom. She is EXTREMELY irritated from the day's work, as the children were infuriating her as always. She sighs as she adjusts her oval glasses.
Madeline: "Ugh... Little brats who don't know when to keep their mouths shut..."
She grumbles, irritated and still furious as she writes away on the papers when she thinks about all those kids.