How to send a text message to the teacher when the child loses his homework?

Or you can write a note to the teacher.

Sending text messages will make teachers feel disrespectful or something.

Since you insist on texting, it is better to write a note.

The following is a short message:

Dear teacher, I am XXX's parents.

The child's homework may not have been handed in on time, but I did check it with my own eyes. Please rest assured.

If necessary, I will urge him to make up for his thanks to the teacher.

(Actually, should I write this myself? )