Is it logical that I speak better French than English because I moved to France when I was 10 years old?

I'm a 37 year old and I'm British and was born in England but I moved to France when I was 10 year's old yet I speak better French than I speak English does that make sense?

I think the reasons I speak better French than English is because everyone at home ( my parents and brother) we speak french at home sometimes English, and everyone in the towns I lived in Fraance spoke French. Nobody spoke English! NOt a word

I lived in Perpignan from 1996 to 2003 then Maarseille from 2003 to 2023 and during all those years I spoke French on a daily basis 24/7

I spent all my school years in France not in England.

I attended Primary school, Elementary school, middle school, college, high school ( in French college and lycée), university in France so that explains why I speak better French than English

If i attended all my school years in England: elementary/primary school, middle school ( college), high school ( lycée), university, etc then I would be fluent in English, does that make sense?

I think it's logical because until I was10 year's old I may have attended nursery ( in French crèche and maternelle) but that's not enough to learn English and speak English fluently cuz I never payed attention to what the teacher was saying and half of the time I was asleep in class so I never learnt anything! That explains why I don't speak English fluently

Besides it's impossible to learn English fluently from age 0 to 10 y/o

To speak English fluently and to know all the English vocabulary, you'd have to attend not only nursery but you'd have to complete elementary/primary school, middle school (college), secondary school, high school (lycée), university, etc and pass all your exams ( O levels, A levels, GCSe's, etc)

Someone who has passed their O levels and A levels would speak better English than me who did not pass my O or A level or GCSE's. It's logic!

That also explains why I don't know UK slang words because I lived in France since I was 10

Is it logical that I speak better French than English because I moved to France when I was 10 years old?
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