Dear Mary:
My name is Lee Hua , I am very glad to help you.I know that you were difficult getting used to be the school life in China,As a English editor,I give you some suggestions:
1: never be exhauseted in front of new classmates,they were looking forward your excellent performances.Got upset could not be a good empression.
2:be warm to your classmates,sometimes it give other a warm heart to get along with you.
3:Be active and helpful.
that's all ,hope I can help you.
your sincerly Lee Hua