What Do You Do When You Feel Really Low?

Hey everyone. So I ve recently decided I will be going to finish my high school with my mom at an adult education school. I only need 8 credits and then I can graduate I wont deny it I am nervous. Were gonna be in a class with other people. I have social Anxiety really bad when it comes to crowds. I usually use my headphones and ignore the other people but aside from that I don t know what else to do. Anyone have any suggestions on what to do to make going back to school easier? It would be... Going Back To Finish High School
https://www.myptsd.com/c/threads/what-do-you-do-when-you-feel-really-low.69565/