P M RivP.M. Riv has been a substitute teacher for just about 10 years. She's seen it all, from wild students to crazy parents and everything in between. Before substitute teaching, P.M. worked in the crazy hotel business for many years. Today, P.M. lives in the Northwest Side of a "really big city." She teaches at several different elementary schools; some of which are private Catholic institutions and others are public schools. Read More Read Less