When I was in primary school, one of the things teachers had us do was debate the pros- and cons- of television. The pro side included educational content.
First Windows PC at any of my schools had Encarta.
Wikipedia can be downloaded in entirety and read offline, though it is so broad it may need a degree of filtering to become age-appropriate even for 16 year olds.
For those precocious kids who parents decide should be the exception because they are "good with computers" well I'm thinking some sort of waiver would be required that held the parents responsible then maybe let the kid hack on the internet but this is an unpopular view, the unpopular part being the "parents being responsible for their kids" bit.
But in general I think its a tough time to be legislating this stuff because "reasonable perspectives" are not what we are voting into office right now lol