My husband went to very good private schools for the entirety of his education. I went to state schools. We both attended top universities and now both have successful, well-paying careers.
I believe I got where I am today in spite of, and not because of, the school I went to. I was bright and motivated and had parents who were invested in me achieving my full potential. I absolutely hated my secondary school. The facilities were rubbish, the teachers mediocre, very little emphasis was placed on sports, drama, music etc. and the discipline as poor. I was also bullied and the school dealt with it very badly.
On the other hand, my husband enjoyed his school years, and got a lot of advantage from the non-academic experiences that he had, particularly being able to play lots of different sports and doing so all the way through school.
I went to a university that had a high percentage of privately educated students and found that these students had so many more skills and interests than me, because they had lots opportunity to do sports, music, drama, debating etc etc. at school. And, yes, they were more confident.
My husband and I really tussled over how to educate our children as we have the luxury that we can afford to privately educate. We live in an area that still has grammar schools, so we are sending our kids to private prep schools and are hoping they will then be successful at getting places at grammar school.
The prep schools our kids go to are so lovely and nurturing and the children all seem very happy to be there. Our children get so many wonderful opportunities and experiences and from day one have had specialist teaching in sports, art, languages, music, drama and technology. The small class sizes mean the teachers know them very well and they are encouraged to reach their full potential in all different areas and to give new things a go.
Most of the families at the schools are middle-class, hard-working people who are just trying to do what they think is the best for their children. The children are polite and kind and not at all arrogant.
We don't want to our children to grow up in an elitist bubble, but we want them to be well-educated, well-rounded, polite, kind and happy. I am sure our kids would have been absolutely fine at state primary schools, but we do feel that all the money that we are paying is worth it.