Help! imma scared freshman!?

ok im gong into high school and im scared tht i will get lost and i know 1 person going into the school but im scared i wont make anymore friends! and im also worried about my new teachers and how they may not like me! im also worried about finding my way around! i mean im so used to my middle school idk if i will be able to find my way around! any advice for me to not be so worried? oh and to concer my fear over the seniors?!?