The first election I could vote in was 1997 Blair vs Major. I lived in Wandsworth at the time and voted Tory. I come from a Conservative voting family, went to public school, so had naturally conservative views, although these had already moderated a lot thanks to University and meeting other people.
The one thing I have always disliked about Labour, and which was ingrained in to me, is that they wanted to prevent people like me having the chance to go to a good school. They hated the idea that if you were clever you could go to a good school with small classes and would have to go to a comprehensive with thousands of other kids. This is a view that hasn't changed as I have got older. I still despise the Labour mentality about schools. If they truly wanted better schools they would look at places like Finland and invest hugely in education rather than depriving children of the education they need.
I continued to vote Tory (Looking back I voted for Michael Howard which seems very strange!) until Cameron shafted us with Brexit. That said, since I could vote, I have always lived in Boroughs where voting anything other than Conservative would be pointless. However by 2015, Raab was showing his true colours as a useless sack of brown stuff and losing his huge majority. My borough became a borough where there was a choice at last. A choice between Lib Dem and Conservative. So since 2015 I have always voted Lib Dem.
I get your moral thing about disability, but I had always felt that the Tories knew how to look after the economy, create jobs etc whereas Labour were bloody useless. That was the convention since the 1970s. But reading Private Eye and getting older what I saw was a party becoming ever more venal and self-serving. A party disinterested in the country, and focused on profiteering. A party facilitating the extraction of value from public services and failing to get to grips with anything.
I can't see the Conservative party recovering at all at the moment. They would need to completely clean the stables and dump Jenrick, Badenoch and all of their ilk. It would need a complete change of management and policy, and they don't have it in them. Farage is dumping all over them from a great height and Reform will probably become the replacement Conservative party but far more right wing. Whether Ed Davey can capitalise on this remains to be seen.
The best bet for the future would be Starmer introducing a form of PR so that people are represented by people based on voting percentages. I'd quite like to adopt the Australian model of compulsory voting as well.
I believe that you have completely misunderstood the left wing attitude towards private schools. It is rooted in the belief that everyone should start off equal and progress on merit rather than get a head start in life based on where they went to school and who they met.
An alternative to your narrative might be mine for example. I went to a state school and got into Oxford where I did well. When I went to Oxford I had about 1/10 the likelihood of getting in as compared to somebody who went to private school. This is because some colleges would top slice their intake based on schools rather than candidates, leading to about 50/50 intake between state and private education across the university as a whole. In turn some employers would have a strong preference for candidates coming from certain colleges.
It is as though one were shopping for a car and preferentially choosing Mercedes, regardless of whether they were going through a period of low build quality or not.
In my own profession there are still companies who have a first filter on CVs based on Oxbridge.
This bakes in social immobility across generations.
So the labour attitude towards schools is not so much that private schools are bad, but that state schools should be good. It is though in my opinion naive and simplistic to morph this idea into making it more difficult to go to private school and being against private school, whicj the more tub thumping lefties tend to do.
But it would be nonetheless helpful I think for more people who have had the privilege of private school, for whatever reason, to better understand the perspective of people who haven't.
I should also emphasize that I'm not some champion of the working classes. I lived in a detached house in Surrey growing up, and my dad just happened to be a lefty who didn't believe in private schooling or even grammar schools. He was an idiot.
I am also well aware that an Oxford degree makes some doors easier to push open for me than my talents alone would.