A cannabis college teaches the students about cannabis sativa commonly known as marijuana. They enable the students to understand cannabis at a better level. They also enable users, especially medicinal cannabis users to know its benefits and how to use them. This can help a user from misusing cannabis.
An example of a cannabis college is University of Colorado. They offer many courses dealing with cannabis. Some institutions like 420 college offer some knowledge on cannabis usage and how to start businesses relating to medicinal cannabis. It is therefore advisable to visit a cannabis college if you are a cannabis user, want to start a business dealing with it or just want to learn about cannabis.