You are welcome to answer questions posted in the Ask a Teacher forum as long as your suggestions, help, and advice reflect a good understanding of the English language. If you are not a teacher, you will need to state that clearly at the top of your post. Please note, all posts are moderated by our in-house language experts, so make sure your suggestions, help, and advice house the kind of information an international language teacher would offer. If not, and your posts do not contribute to the topic in a positive way, they will be subject to deletion.
Girls should wear their skirt up to the knee and should not shorter than knee.
thanks
pete
I'm not a teacher, but I would suggest that "girls' skirts should reach the knee" or "skirts must not be shorter than knee-length" might be a little clearer.
uniform 
Linear Mode
