Noun
sixth form (countable and uncountable, plural sixth forms)
(education) In England, the final two years of secondary school, during which students are about sixteen to eighteen years of age.
All but about two schools in each district have a sixth form, but the Forest of Dean only has two schools with sixth forms. Source: Internet
Christ the King College started as a "middle school" but has now been converted into a secondary school and sixth form. Source: Internet
Of boyfriends, it seems likely there were some low-key romances but nothing significant until the start of sixth form. Source: Internet
Further education colleges (particularly sixth form colleges ) often form part of a secondary school site. Source: Internet
Girls were admitted for the first time when the sixth form became coeducational during the 1970s. Source: Internet
In the 1960s, there were around 550 boys with 150 in the sixth form. Source: Internet