The local supermarket (the only nearby one) shares a site with a High School (1200+ pupils).
So, in I go at about a quarter to three for my few things. BIG MISTAKE!
Shopping done, but can I get to a till? No chance, the school has just tipped out! Hordes of pupils each with one item clogging up the self-serve tills and only two proper checkouts open.
The only good thing is that the staff on the checkouts will not serve them and move them on to the self-serve (long) queue so that 'proper' shoppers can do their business.