Honestly folks. Even you, yes you, the required “my child isn’t at all interested in anything but coding, service and life of the mind” …
Large groups of teenagers and away from mom and dad = a lot of partying.
Sure not every night and some more than others. But unless you go to all schools or even just two - simultaneously - no one can say x vs y has more partying. It’s either perception, belief, selection bias, pure hopefulness or willingness to suspend disbelief.