The phrase "same campus" means that two or more things or people are in the same area or location, often referring to a school or university. Full definition
Whom would we admire more: a generous person who gives 10 percent of her $ 20,000 yearly income anonymously to a campus beautification project or a person who gives 10 percent of his $ 500 million fortune to fund on the same campus a concert hall named after him? (religion-online.org)
I'm incredibly lucky to have Garrity's daycare on the same campus where my husband and I work, which means it's very easy to go see her every day. (rookiemoms.com)