Here it is - the magic black box:
The other thing is that Casey has replaced almost all projectors now - and they all have HDMI. Which is PERFECT as we won't need to buy the $80 converter cable - which we would have had to had we bought Apple TVs two years ago - so that in itself is a great savings for us!
I am going to see if a teacher wants to try it for a little while and then monitor how it goes for like a week and see if it's working - if so we will slowly add these in.
Happy Snow Day - well 2 hour late snow day for us -