My Boyfriend's Back(1993)

Missy McCloud is the most beautiful girl in school and Johnny Dingle has been in love with her for years. One night, as Johnny tries to stop an armed robbery and save Missy from danger, he's killed, but resurrected as a zombie not long after. Now, with the help of his mentor, self-proclaimed Zombie Expert Maggie, Johnny must control his flesh-eating urges while trying to win the heart of Missy.