I need help

I need help Hi everyone, I’ve led myself down a path to where I currently have no friends. I live in England and am in college. During free periods, break and lunch I spend my time alone with only my music to accompany me. It’s gotten really bad to the point where I honestly don’t have a single person who I can call a friend. I keep forcing myself to lie to my family and tell them I’ve got friends so that they don’t worry about me. I’m scared that if I don’t do something now I’m going to spend the rest of college alone. I have extremely bad social anxiety and a very bad stammer. I can’t even take attendance without feeling like my chest is closing. Any tips on how to make friends, or even converse with people?