Groups of chidren, using the Internet, can teach themselves anything. Provided they can read and understand. Over the last 13 years, these results have been proven over and over again.
We need inexpensive, reliable and free public access to the Internet for children. The original 'Hole in the wall' model does that, but it is relatively expensive and maintenance intensive.
We need a new way. I believe tablets or similar devices embedded into walls can be an effective way. Will children self organise around a 'Tablet on the wall'? Will the device survive? We need to find out.