I graduated college in 1982 - i didn’t start doing fingersticks until a little after that, and was on injections until the mid 1990s. Never thought about doing or needing anything special - food was allowed in the dorms soil always had snacks available, and I let my roommates know what low looked like and what to do.
That said, here’s a discussion on the topic that I remember reading a while back: dorm accommodations are only a small part but you might find it helpful: