I think the Ministry has yet to know the full details of the events at Hogwarts, so whatever comes out in the papers (if anything at all) would be scant and not at all informative. I agree that the whole business would be kept very quiet, at least until the end of term.

Jaren's uncle, being a Squib and also magic-paranoid, doesn't subscribe to the Daily Prophet, and anyway he and Jaren aren't on the best terms, so on my part, Jaren's respective guardian knows ziltch about Hogwarts and Lord Voldemortist. Which can be both good and bad, I suppose...