This movie is CARRIE combined with THE CRAFT. Tamara Riley (Jenna Dewan) is a high school wallflower picked on by the other students. She also has a crush on her teacher, who is happily married. Some of her peers learn about her infatuation and set up a cruel joke, which goes horribly awry when she's accidently killed. But she was practicing witchcraft - and although they bury her dead body deep in the woods she walks into class the next day, looking not only alive but looking HOT. Whoever she touches goes under her control - and she meets her revenge on those responsible for her death.
The movie is predictable but it's a fun, revenge-oriented horror movie.