Hilltowne University is a college campus located in Michigan, United States.
Macy Vaughn works in the university lab when she moves to town, along with Galvin Burdette, one of her colleagues.
Mel Vera, is a graduate student in the women's studies department at Hilltowne University and Maggie Vera is freshman at Hilltowne University who is pledging a sorority.
Harry Greenwood, the sisters' Whitelighter poses as a professor and the chair of the women's studies department at Hilltowne University, until he gathers all three sisters together to reunite them in their destiny as The Charmed Ones.
- Harry Greenwood (Chairman of the Women's Studies Department)
- Macy Vaughn (works in the University lab)
- Galvin Burdette (works in the University lab)
- Marisol Vera (formerly; College Professor)
- Professor Warner Thaine (formerly; College Professor)
- Only Phoebe attended college in the original Charmed series during the second and third seasons, as the other two sisters, Prue and Piper were already graduated college and had working jobs when the series began.
- In the original series, Leo posed as a handyman to watch over the Charmed Ones. In the reboot, Harry poses as a college professor as his cover to watch over the Charmed Ones and gather them to tell them about their destiny.