Source? The generally accepted figure is that for those private schools which are charities, VAT exemptions NHS on their business costs are wrth £200 per pupil per term. That is nowhere near £3.5b
Its business rates as well, day fees are around 25k, 45k for boarding, 20% vat is far more than £200 per term or £600 per year.
Fees (for schools and universities, though not crammers) are exempt from VAT because of EU ruling. Only after Brexit could that be changed
They don't pay vat because of their charitable status, nothing at all to do with the EU whatsoever, Tory Phillip Hammond had plans to put VAT on private school fees.
The crap on FB is unbelievable and is destroying our democracy.