Justine Greening's post as education secretary is looking increasingly vulnerable, as Downing Street has confirmed that Theresa May will be carrying out a reshuffle of her Cabinet this week. Home Secretary Amber Rudd was also appointed by May as Minister of Women and Equalities.
Sources at No 10 said May was "disappointed" but respected Greening's decision to leave the Government.
Her reshuffle is an indication that far from stepping down, she intends to take Britain past the Brexit process in 2019 and beyond to the next election.
May's Cabinet reshuffle was more limited than expected with the big names all keeping their jobs, including the gaffe-prone Boris Johnson keeping his position as Foreign Secretary, the newly promoted Defence Secretary Gavin Williamson staying on and Philip Hammond hanging on as Chancellor of the Exchequer after his Autumn Statement, or budget, was received well by Tory MPs.
As well as an over-representation of private school alumni, nearly half - 48% - of Cabinet ministers went to either Oxford or Cambridge universities.
Of the 23 ministers who make up the Government's top team, 34% attended fee-paying schools - up from 30% in May's first Cabinet in July 2016, social mobility charity The Sutton Trust has discovered.
Tony Blair and Gordon Brown both had 32 per cent of their senior ministerial team privately educated, while 25 per cent of Clement Attlee's post World War Two first cabinet went to private schools.
"Anyone should be able to become a minister, regardless of social background".
"It also allows a new generation of gifted Ministers to step up and make life better for people across the whole United Kingdom".
David Lidington leaves the justice portfolio to replace Green as Minister for the cabinet office.
Image Women featured prominently among new ministers
These triggered the resignation of education secretary Justine Greening and were branded a "lacklustre PR exercise" by Labour.
He read politics, philosophy and economics (PPE) at Oxford University, where he was president of the Oxford Union.
Many commentators on Twitter anticipate that she could become a thorn in Mrs May's side if she joins the growing ranks of pro-European backbench rebels.
Popular within her party, she took George Osborne's Cheshire constituency of Tatton after he stepped down in 2017.
According to the Independent Schools Council, just 6.5% of pupils in the United Kingdom are educated privately. He subsequently gained a MPhil in Economics from Christ's College, Cambridge.
Sajid Javid is also staying in position, though his brief changes from Secretary of State for Communities and Local Government to Housing, Communities and Local Government, making him the first United Kingdom minister with a housing department title since the 1970s.
And among the 23 full Cabinet members, the number of women stays the same.
Ms Perry was raised in North Somerset.
One of her contemporaries at Oxford was journalist George Monbiot, who described her in his column for The Guardian as, at the time, "a firebrand who wanted to nationalise the banks and overthrow capitalism". She was anxious too to consolidate her leadership by moving out individuals and sections of the party without suffering from it herself.
Rafael Nadal downs Dominic Thiem in surprise exhibition match
The big features of the women's draw is that the top seed and world No.1, Simona Halep still hasn't won a Grand Slam title. It was Nadal's fifth tiebreak in three days at the venue, after he headlined the Tiebreak Tens event on Wednesday night.