It is not remotely acceptable and both the school and their parents should come down on them like a ton of bricks but, unless there was any suggestion of an actual incident, calling in the police must surely be over the top.
A lot of boys mature late and these will eventually grow up, as will their sick idea of humour. Indeed, in a few years’ time, they will probably be rebuking others for such jokes.
Yet there is still an increasing threat to women, for we have created a society fixated on sex.
Sexting is widespread within schools and pornography rife, available on any computer where once it could only be found in seedy shops, while trying to find a film or book without an explicit sex scene is more challenging than the search for the Holy Grail.