Well, overconfidance is quite easily made into reality, for in most countries, getting your high school degree at a high level, it is nearly straight to the academy, as soon as you pass through their election, which is mainly physical, and come on, being normally healthy, is all yu need, and not being mentally ill, of course.
No wait, I though that (at least in the NL), you application approvement needs to be of a certain standard...