How to send a text message to the teacher?

1 Hello, Mr. X. My child xxx doesn't know how to behave at school. Can you tell us? Thank you for your trouble!

2. Dear teacher, how are the children at school? Would you please tell me the truth? Thank you!

3. Hello, teacher, I am the parent of a student. I don't care much about my children because of my recent work. I want to ask how the children are at school recently.

4. Good evening, Miss Wang. I am XX's parents. I haven't contacted you since school started. I want to know how my children are now.

Miss Li, I am the parent of a student. What do children do well in school? What other aspects need to be improved?