Congratulations!
I don't exactly have much experience adjusting to this sort of situations. I've changed schools. One thing I did was to keep a low profile and minimize interactions. If there are no interactions there can be no cause for hurting or offending or conflict. Then find few close friends you can get along with well and stick to them.
I'm bit towards the introvert side and that's what worked for me. Your location may also have an effect too. So picking a good neighbourhood ca go a long way too.
Dear @d-zero
Thank you for your kind words and I'm sorry for such a late reply. Somehow I missed it and had a pleasure to read it a seconds ago.
Cheers, Piotr
No reply is a late replay (unless someone was dying)
Cheers!