 
 <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:  <ibo> Iji zaa ajụjụ a dị n'elu, ahịrịokwu dị mkpa bụ: Na usoro agụmakwụkwọ nke England, Northern Ireland, Wales na ụfọdụ mba ndị ọzọ Commonwealth, ọkwa nke isii (mgbe ụfọdụ a na-akpọ Key Stage 5) na-anọchite anya afọ ikpeazụ nke 1-3 nke agụmakwụkwọ sekọndrị (ụlọ akwụkwọ sekọndrị), ebe ụmụ akwụkwọ (nke dị n'agbata afọ 16 na 18) na-akwadebe maka ule A-level (ma ọ bụ nke ha nhata). Olee ajụjụ nke a na-eme ka a zaa? Ajụjụ na Azịza: 