 <translate> To answer the above question, the relevant sentence is: In the education systems of England, Northern Ireland, Wales and some other Commonwealth countries, sixth form (sometimes referred to as Key Stage 5) represents the final 1-3 years of secondary education (high school), where students (typically between 16 and 18 years of age) prepare for their A-level (or equivalent) examinations.
This justifies what answer for what question? Q & A:  <yor> Lati dahun ibeere ti o wa loke, gbolohun ti o yẹ ni: Ni awọn eto eto ẹkọ ti England, Northern Ireland, Wales ati diẹ ninu awọn orilẹ-ede Commonwealth miiran, ipele kẹfa (nigbakan ti a tọka si bi Ipele Ipele 5) ṣe aṣoju awọn ọdun 1-3 ti ikẹhin ti ẹkọ ile-ẹkọ giga (ile-iwe giga), nibiti awọn ọmọ ile-iwe (nigbagbogbo laarin ọdun 16 ati 18) ngbaradi fun awọn idanwo ipele A wọn (tabi deede). Ìdáhùn wo ló bọ́gbọ́n mu sí ìbéèrè yìí? Ìbéèrè àti Ìdáhùn: 