The girl in the disguise

Living a secret life is hard enough, and now I have to go to an all boys school.
Hey im Hailey and im a secret agent, I've been a secret agent since I was 12 and now I have the mission impossible, I have to be a boy, or at least until my mission is complete.
What's my mission you ask well, I have to figure out who is behind all the missing voldanite. voldanite is a very rare gem and recently we found a cave that was filled but when we came back to dig it out all the voldanite was gone. We now believe that one of the students in Jefferson high is responsible for it.