Britain: 3 semesters compulsary education 11 years pre-school - from the age of 3 till 5 primary school from 5 till 11 secondary school from 11 till 16 core subjects : 3 exams GCSE in 16 years A-level exams in 18 Ukrain" 4 terms compulsary education 11 years pre-school- children go to kindergarden from 3 till 6 or 7 primary school 7 till 11 secondary school till 16 core subjects : ALL exams: 1st national exam in 16 EGE in 18