Question for British list members (school years)

[potioncat]

Catlady wrote:
> This is clearly not the case nowadays, when news reports are always
> full of 18 and 19 year old high school students who are old enough to
> vote, enlist in the military, and sign contracts without parental
> consent. Do you know when it changed, or is my memory just wrong?

Potioncat:
The cut-off dates vary across the US. I turned 18 before graduating, as 
have both my older two. It's also become common for parents to delay 
the start of school if they feel their child isn't ready.