"Your mum? It’s got worse?"
"It’s got the worst it can possibly get."
-- Albus Potter and Scorpius Malfoy (CC1.4)
Scorpius Malfoy boards the Hogwarts Express on Platform Nine and Three-quarters at King’s Cross and starts his third year at Hogwarts. This is soon after the death of his mother Astoria Greengrass Malfoy, as the funeral has not yet taken place (CC1.4).
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Pottermore: Harry Potter and the Cursed Child
The theatre production opened in the West End of London at the Palace Theatre on 31 July 2016, with Anthony Boyle in the role of Scorpius Malfoy: Harry Potter and the Cursed Child, Parts One and Two