We were in a similar situation as the OP: firm offers from both St Paul’s and Westminster (albeit our son is a bit younger, 8+), but, unlike the OP, ended up choosing St Paul’s over Westminster.
And since I found this thread very useful as we were doing our research, I thought I’d leave our thinking process here for future parents in the same situation.
We went through many rounds of debates and hesitations, spoke to multiple people, did quite a bit of research (including a scan of career trajectories of alumni on LinkedIn), but ultimately it was down to three factors:
- We consider ourselves upper middle class but definitely not rich, so SPS was a better fit for our long-term family circumstances: we have two sons and after modeling our budget until graduation, even a theoretical option of paying £100k in school fees for two of them at the Westminster Great School was not looking realistic. The difference in one child’s education from Y4 to graduation (not taking into account the inflation) is £82,344.
- We really enjoyed every interaction with SPJS Head, Mr Snowball, and other teachers: we feel it is important for the boys to have good role models around them, and have an impression that Mr Snowball could be one. He comes across as an intelligent, committed, generous and fair Head of School.
- We generally felt that SPJS was a more well-rounded, forward-looking and adaptive school, and that everything was just a bit more intentional and better structured there: from facilities to the experiences that the boys had at the Open Day and tests, and the clubs that suit modern kids’ expectations. This is very subjective, but I felt like the boys will be just a bit more prepared for real life after SPS.
Having said that, WUS has many amazing advantages: as far as I understand, it will become a proper co-ed school by 2030, it is wonderfully located in central London, its connection to Westminster Abbey and exposure to the Parliament are truly unique, and of course, it has a long history of academic excellence and quite a few notable alumni.
Quick note on the prep for those curious:
DS was / still is in a normal state primary school, but is naturally good academically. Not considered genius, but has been exceeding expectations all along. He likes doing homework and is usually ahead of the class.
We hired a tutor about 4-5 months before the tests - once a week for 1h. Our tutor wasn’t an expert in tests at SPS or Westminster - just a good Y6 teacher from a local school.
We didn’t do any special training or rehearsals for the interviews, but DS is naturally confident, articulate, inquisitive and collaborative, and I’m not sure you can train for this.
And maybe at 11+ and 13+ you need a bit more, but at 8+ that was enough.