That doesn't accurately describe very many K-12 schools in the US though.
Britain's railway signalling is crazy because Britain's railways pre-date railway signalling. If you build a brand new railway you definitely shouldn't repeat mistakes from the 19th century.
Britain drives on the Left. Should you drive on the left too? Only if your neighbors do.
But on the other hand Britain decided to buy up all the doctors and hospitals and stuff to give everybody healthcare and that's worked out pretty well.