Have you ever looked at your dc's school's Google reviews? The reviews for my dd's school seem to have been mostly written by pupils and include delights such as 'I had a dump in block 3 today' and 'Mr Smith is a * * * *'. Unsurprisingly it has one star.
It seems pointless having the facility to review schools, especially secondaries, because of course kids are going to have a laugh with it (I would have!).
Have a look at yours and see what delights you come across.