Sixth form - Wikipedia
https://en.wikipedia.org/wiki/Sixth_form
Jamaica. In the Jamaican Education System, sixth form describes the two school years which are called the Lower Sixth (6B) and Upper Sixth (6A), or grades 12 (lower) and 13 (upper), by many schools, students aged 17 or 18 by October 31. Sixth form is an optional, two years long, advanced post secondary program, at the end of which students write the CAPE (Caribbean …
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