I really liked this but had no idea what to expect. The third act does drag and the quasi-religious bits are too obvious and not as clever as the writers/director thinks but...
All in all a pleasing watch about peer pressure via impressionable teens desperate to belong and consequent eating disorders and fads, especially the socalled Breatharian movement which is a real thing. The focus on cod-science and New Age nonsense is bang on, as are the fake claims for health and 'saving the planet'.
The actress playing Miss Nowak very much as Swedish Greta T (complete with hairdo!) does a great job in showing a very female type of manipulation, last ween played as well in The Beach with Leonardo diC. It's all always about CONTROL.
I would seriously advise all who liked this film to watch Fog in August (Nebel im August) is a 2016 German drama film directed by Kai Wessel about a school on an island where difficult/disabled kids - troublemakers and rebels usually - were sent in WWII. Based on truth, shockingly.
The sort of pc liberal child-centred 'progressive' school is based on real establishments I think, such as AS Neil's SUMMERHILL school and several others.
A shame about the final act, and not sure I buy some relationships stuff but the progressive parents are horribly true-to-life, even if some acting is rather wooden. Also, in private schools there's more than one black student - there are loads of BAME pupils at top public schools, 25% of enrolments, many south Asian kids and none was shown here which is a misrepresentation really.
But 4 stars. A surprisingly enjoyable and intelligent watch.