PLEASE HELP!!!!!!! ?

ok so i start school tomorow and i really need some help. well i have a lot of friends at my school and my best friends are angelina and alysia. k so we have been best friends since 6th grade and were going into 7th now. me and angelina are best friends for life and alysia is our best friend. so angelina and alysia are in the same cl this year and they have our other friend zury too. i have all our other friends sammy cevriye audrey and vincent (we have more friends then that its just those are the ppl we know r in our cl.) im glad i have all those ppl but its just i think since their in the same cl theyre gunna become besties and leave me out :( so what should i do let it go and trust angelina that that wont happen or what???? plz help!!!!!!1