The DfE has reported itself to the ICO for a massive breach of data. Pupil data is legitimately shared with various companies for published purposes.
One of these has passed the data on to gambling firms such as Betfair, supposedly to help with age verification online.
www.thetimes.co.uk/article/revealed-betting-firms-use-schools-data-on-28m-children-dn37nwgd5 (paywall, story also at bottom of attached photo).
The DfE face a massive fine for the breach, but surely the firm that passed it on should be prosecuted as well.