Is tioga junior high school haunted?

Tioga Junior High School is a public school located in Manteca, California. There have been several reports of paranormal activity at the school, including sightings of ghosts, hearing disembodied voices, and feeling a strange presence. Some people believe that the school is haunted by the spirits of former students who died in accidents or suicides. Others believe that the paranormal activity is caused by the negative energy that was created by the school's former use as a military base.