Dont think too hard about how things will go with meeting new friends, it should happen naturally.
Moving schools is common, everyone experiences it when they go to high school, then again to college. The experiences are always different. When you change schools in the middle of a grade, you're always the "new kid" everyone talks about. Be nice, especially to the girls. Be yourself and ask people questions if you have any and offer to help where you can.
You'll find a group of friends to chill with, its only a matter of when