Education in Britain is compulsory (обязательный) for all children between the ages of 5-16. School-children attend a primary school for 6 years. Then children go to the Secondary School. Compulsory secondary education begins when children are 11 and lasts for 5 years.
Most children go to a comprehensive (комплексный) school. But there are also “grammar school” and “secondary-modern schools”. The pupils have to pass an exam to go there.