school should include at least basic education on:
* how relationships work, both romantic and platonic, especially discussing abusive relationships, power dynamics, ways to escape
* how to spot mental illnesses in yourself, whom and how to ask for help
* spot mental illnesses in other people
* detect manipulative people and how to defend against manipulation
* basic meditation and relaxation techniques
* basic mental focus techniques
* sleep hygiene, how to fall asleep when stressed
and tons of tiny things one can teach in a few hours that can have a lifelong positive impact.