Advice, Guyism, Lifestyle The 20 most 4:20 friendly college campuses in the U.S. Follow Us by Douglas CharlesLast Updated Oct 12, 2022 6:29 pm BroBible College should be a place to enjoy growing up and learning about yourself. It should be a place to explore what life has to offer. So why not dive into the colleges across the US that are the most 4:20 friendly?