I am glad to receive your letter .From your letter ,Iknow you are facing the problem on how to make new friends in high school.The following are my suggestions.
First,you should be concerned about others and try to be friendly .If you are always ready to help others ,your classmates will know you better .Second ,it is important for you to be a good listener .That way ,people will feel comfortable to be with you.Besides ,it is better for you to take an active part in class activities where you can show your talent .
I hope my advice will be useful to you.I wish you happiness in your new school.