So theres this girl right...read more..?

And i had a massive crush on her in 5th grade and still do secretly. i am now in 9th grade. Anyways she admited that she liked me back at that time but never told me as i was to scared to talk to her(i am very frigid) and well now shes single what do you think. Should i ask her out and where should we go? movies? and how would i ask her out. i am so nervous help please. btw she goes to another school.