Key Stage 2 is the legal term for the four years of schooling in maintained schools in England and Wales normally known as Year 3, Year 4, Year 5 and Year 6, when the pupils are aged between 7 and 11 years. From Wikipedia
The Department for Education will extend the decade-old project through 2029 following findings that firm boundaries paired with warmth yield higher academic performance by age 11 alongside stronger emotional wellbeing.
