[quote=@Nytem4re]
<Snipped quote by Krayzikk>

 Someone could have come up with a perfectly valid containment system/failsafe in the case the reactor is even remotely close to a breach. You know, sorta like a nuclear reactor? I mean RWBY has access to dust.

And in the first place, why did anyone even consider letting it's so called students run off and participate in activity that is regulated to the police/military, not 14-18 year olds. 
[/quote]

Because otherwise we would not have a plot. That and the Hunters are Vale's equivalent to their special forces. Also those same people were being sent on missions not [i]too[/i] much later so its not really an entirely accurate to talk about them like that.