Mental health problems in Northern Ireland 'like a tsunami'
Nigel Frith, principal of Drumragh Integrated College in Omagh, says anxiety levels in young people today are "unprecedented".
"The analogy I'm using constantly is, if we were standing on a beach looking at a tsunami coming towards us which is teenage anxiety, each of us is standing with our little bucket hoping we can catch it and stop it and hold it back.
"And of course you can't stop a tsunami with a small bucket."
He spoke to BBC News NI's Tara Mills as part of documentary, Teens on the Edge.
It will be broadcast on BBC One Northern Ireland on Monday at 21:00 GMT.
If you, or someone you know, is struggling, you can find support here.