Question from a student in secondary

Says one of the subjects parameters in a middle school and high school for girls "

I got one of the female students said may I ask you a question.
I said sure
She said: Is it permissible to memorize the Koran without the knowledge of my father and mother?
I said to her and says I am amazed her question may be yes!
Says mental parameter surprised her question and I wanted to know why I asked her
Why not tell them that?

Says an answer has never crossed my mind
I want to work for them a crown of light surprise wearing the Day of Resurrection!