According to the GSCE (General Certificate of Secondary Education) results based on the A-level rank among UK INDEPENDENT schools, 21 out of 25 top schools are single-sex schools. 16 girls, 5 boys, and only 4 mixed.
According to the GSCE (General
Certificate of Secondary Education) results
based on the A-level rank among UK STATE schools, 15 out of 25
top schools are single-sex schools. 9 girls and 6 boys.
This results are even more interesting if you note that only 4% of schools in England work this model.