My dd had MH problems. CAMHS did sfa twice. She did not need mindfulness at school she needed psychiatric clinical evaluation and treatment. Which she got because we paid for it. CAMHS offered group therapy for two hours at 10.30am for six consecutive weeks from 2nd October when she had started a new school and an A'Level subject that was brand new. As her problems were largely about academic achievement that would have been disastrous and it also breached confidentiality on two levels. Both 're the group nature and how she would explain things to classmates. New ones when she was settling in. When the issue was explained CAMHS suggested I ask the school to change their timetable!
As far as I am concerned schools are there to educate and to teach. The NHS is there to provide clinical care. I would like to see schools stand up against this. Resources need to be directed to the young people who need them. If they are being spent on mindfulness in schools then there will be even less to spend on young people who need proper clinical interventions.
As Christina Rossetti said much of young people's issues are because the emphasis has shifted from well educated to well qualified.
I didn't expect my child's teacher to sort out her MH issues, just as I didn't expect her GP to sort out her Maths.
I can crystallize this in money terms. I paid £35k for 6th form for dd. I was not going to jeopardise her 6th form experience by accepting an inadequate intervention. We ended up paying for specialist psychiatric support. Over an 18 month period probably well over £5k. DD was diagnosed with a Neuro developmental disability. CAMHS offered nothing. Once diagnosed DD was treated - it took 8 months privately even but there was also the ingrained anxiety and depression to deal with as well. Because she was both effectively treated, and wonderfully educated she achieved 3A* A'Levels which was pivotal for her overall recovery because it was the point when her self esteem healed. Education and healthcare can complement each other but neither can replace the other or do what the other is trained and paid to do.
I am at a loss to know what society needs to do to put this mess right but shifting responsibility from those who should be experts onto those who are expert in something is not the answer.