e/Key Stage 4

Information
has gloss	eng: Key Stage 4 is the legal term for the two years of school education which incorporate GCSEs, and other exams, in maintained schools in England, Wales, and Northern Ireland—normally known as Year 10 and Year 11 in England and Wales, and Year 11 and Year 12 in Northern Ireland, when pupils are aged between 14 and 16.
lexicalization	eng: Key Stage 4
instance of	c/Educational stages