How to become popular in high school!?

so im going to this technical school WITH BRAND NEW PEOPLE IN IT:) and i was a sped in middle school but now im going to regular in high school:) ! so i would kinda like to be liked and maybe even popular;) how can i do that the first day? in the lunch room (the first day) find the biggest crowed and sit there ???? (ask) how should i ask?! i mean... i feel pretty enough! people in my school call me the model! and Natural beautful star! * i am an actress..currentlyyy in a movie production now ..soo...!)