A furious prime minister landed a killer blow as she reeled off a list of Labour frontbenchers who either went to selective schools or sent their children to them.
It was in response to criticism from the Leader of the Opposition, who accused Mrs May of a “divisive vanity project” with her bid to lift a ban on new grammar schools.
However, taking no prisoners, the prime minster humiliated Mr Corbyn as she unleashed a volley of words against the Labour party.
After reiterating the Tories’ stance on education funding, Mrs May fumed: “He talks about of the issue of the sort of system in schools we want. Yes, we want diversity, we want different sorts of schools, we have put money into new school places.
Theresa May brutalised Jeremy Corbyn during Wednesday's PMQs
Typical Labour, take the advantage and pull-up the ladder behind you
“But, I have to say to the right honourable gentleman; his shadow home secretary sent her child to a private school. His shadow attorney general sent her child to a private school.”
The Conservative leader pointed her pen in the direction of Mr Corbyn as she continued: “He sent his child to a grammar school, he went to a grammar school himself.”
Snapping her note book closed, Mrs May delivered the final brutal blow: “Typical Labour, take the advantage and pull-up the ladder behind you.”
The House of Commons erupted as Theresa May launched the personal attack
Her remarks were met with a wall of cheers from the Commons as the Labour front bench sat looking more than uncomfortable.
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Mr Corbyn tried to deliver a response but was silenced as jeers from MPs continued to echo around the chamber.
Finally, he managed to answer: “I want a decent, fair opportunity for every child in every school. I want a staircase for all, not a ladder for the few.”
Theresa May is in favour of lifting a ban on building new grammar schools Key Moments from the PMQs Wed, March 22, 2017
All the highlights from Prime Minister's Questions: March 2017
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Prime Minister's Questions
Mrs May was lauded for her put down on social media, many accusing Labour of “double standards”.
One user tweeted: “Correct, two-tier education system under Labour private for their mates inadequate comprehensives for rest”.
Another added: “Do as I say not as I and most of the labour front bench does which is sent their kids to private & grammar schools”.
A third wrote: “Labour frontbenchers should send their kids to state schools in Wales and see how bad education is under them.”