BlueFlag

If it's not a stationary camera, I would put money on it needing POE+ not regular POE.

Apologies for sounding a bit clueless here, but how does it authenticate new users etc?

Bye bye Unify.

Somethings to consider: Cisco have bought Meraki - what will happen with Meraki's support and pricing? You own a controller you were using with 11g - will it be enough for 11n?

There's nothing the school can really do, aside from banning the use of phones that will help here. Jamming signals is possible and quite easy to do, however it is highly illegal in the UK. There was a case of a school allowing pupils to hand in their phones at the start of the day and get them back at the end of the day, which gave them access in emergencies and to arrange getting picked up etc. It was then found that pupils were bringing in two phones and handing in their old one, getting full use of their shiny 3G/4G phones! At the end of the day, it is very hard to stop pupils from getting access. It just takes one to find a way around your measures then it spreads like wildfire...

Java and Internet Explorer crashing? Bit of a head scratcher, they're both normally rock solid.

The iOS update pretty stops you being able to use devices running it with CWP, so this may be related. I don't think there is currently a workaround for it. It's a problem Apple should be trying to fix, but the vendors probably will as well.