I'm 99.9% sure your child has heard/said (the latter to be more likely) worse especially if you're not there to hear it
Year 8 and especially year 9 girls (falling out galore) are the toughest year group going!! Raging hormones not the youngest in school anymore but not the oldest and usually when whoever fancies who comes into the equation and friendships become volcanic eruptions! (As you can tell it's so much fun dealing with this year group
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This time of year is stressful in fact incredibly stressful for year 11 and Teachers (more so as Teachers jobs are more at risk than ever if the results aren't right!!) setting off a fire alarm isn't right end of!! It's time consuming if it's a false alarm and have you ever tried to evacuate 1000 plus scared, excited, pushing/shoving, not knowing, running, walking, loud kids especially if it starts to rain with no coat on e.g. Those that have just been doing PE At the same time trying to account for all staff, kids that are marked as present but not when you are doing the register at the firepoint as they have gone to the loo before it went off, checking buildings, areas etc...sorting out the fire brigade, police attendance etc some areas have the policy of attend regardless when it comes to a school!
I fully support the head in their actions they are low life scum for doing it...they are taking away precious moments from someone else who might need help!! Also in light of recent events it should be drummed into them it's just simply not on...when I was at school we had a visit from the fire brigade and a man who had severe burns mainly on face and torso he had gone back inside to get his son who was trapped...the fire brigade had been delayed due to someone setting off an alarm purposely at a nearby factory...in the assembly you could hear a pin drop!! 20 years later I still think of that man.
As some previous posters have said schools have their hands tied with discipline and parents not supporting hence the issues schools have. If harsh words are what is needed to get it through that type of behaviour is unacceptable and stops it happening again then good!