High school

I need tips suggestions and motivation:( So I'm 14 about to go into 9th grade and I'm so nervous. I wouldn't say that I'm antisocial but I definitely have talking problems. I'm awkward when people approach me and I'm going to a new school with new people. Tomorrow I start volleyball camp and I don't know anyone there and I'm pretty late so they have already tried out and I haven't. I also feel like I don't know if I want to do volleyball, something that I had very little time to think about and my parents just signed me up. I'm also allowed to finally get a job but that is way out of my comfort zone too because I don't know anyone that I'm working with. It's like I'm going into a new world. Does anyone have any tips or suggestions or motivation. (Sorry it's long)