How do I know if it is a date?

A guy from my old class messaged me the other day asking me how I was doing etc. We've always gotten along well, but have never met outside of school. He suggested we meet for coffee next week. I'm totally excited because I‘ve always had a little crush on him :) I never thought he would like me or talk to me again after school lol so I'm excited and nervous too. How do I know if he just wants to meet up, like as friends , or if it's a date? Does he like me?

How do I know if it is a date?
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