 
<translate> Passage: A cikin tsarin ilimi na Ingila, Arewacin Ireland, Wales da wasu ƙasashe na Commonwealth, nau'i na shida (wani lokacin ana kiransa Key Stage 5) yana wakiltar shekaru 1-3 na ƙarshe na ilimi na sakandare (babbar makaranta), inda ɗalibai (yawanci tsakanin shekaru 16 zuwa 18) shirya don jarrabawar A-matakin (ko daidai).  Tambaya: Bisa ga wannan nassin, shekarunka nawa ne sa'ad da ka gama makarantar sakandare? yawanci tsakanin shekaru 16 zuwa 18 <eng> Passage: 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.

Question: Based on this passage, how old are you when you finish sixth form?
typically between 16 and 18 years of age 