Key Stage 4

Key Stage 4 is a stage of secondary education covering years 10 and 11 when children usually take GCSE exams. Children usually take GCSE exams in about eight to ten subjects, which must include English, Mathematics and Science. In this final key stage, children are usually ages between 14 and 16 years old. They are usually ages 14 and 15 in year 10 and aged 15 and 16 in year 11 when they finish formal education.