Lee Anderson has let Reform down when it comes to private education. I’m one of the 88% who went to a State comprehensive school (in North London) and the experience made a positive impact on me for the rest of my life.
Going up to the next class is a term used in the History of Education to refer to social mobility. A chart showing which Universities MP went to (if any) would complete the picture here
Being an old person, I went to a state grammar school. Not all grammar schools were private.