@womble @GeofCox

Yup.

That and selection bias.

There are plenty of super lazy, undisciplined Chinese, Nigerian, and Indian students, whose parents don't value education that much. They are most likely still in a village in rural Nigeria, India, and China, going to a rural school, right next to hard working, disciplined kids who do value education, but whose families don't have a need or a desire to move to Europe.

Said another way, if you see a Nigerian kid in British boarding school getting top marks 🙋🏿‍♂️, you're seeing one of a highly filtered subset of kids in the intersection of:

* Good enough aptitude for learning (that's most kids♥️)
* From a family that moved to a larger Nigerian city from a more rural one
* From a family that values education and growth mindset
* From a family with a strong desire to leave Nigeria
* From a family economically advantaged enough to get an international student visa
* That managed to minimize / dodge / mitigate racism through their early education
* But knows enough about racism to know that they need to significantly outperform British born white students, just to be given an equal chance
* And is resilient enough (stubborn enough) to be undaunted by any racism that they do face

Said one more way:
I bet that 1st and 2nd generation white British expat kids in India or China or Nigeria as a cohort, outperform the *average* local Indian or Chinese or Nigerian students in those countries.🤷🏿‍♂️

Said one last way:
My hypothesis is that once you control for racism, socio-economic advantage, selection bias, academic over-compensation, and educational opportunities and effectiveness, that there is no statistically significant academic difference between genders, ethnicities, religions, or races.