Meanings
nounupper sixth (uncountable)
- uncountableUK except ScotlandYear 13, the second year of sixth form for 17 to 18 year olds, in which students sit A-levels.
Cite this entry
APA
upper sixth. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/upper%20sixth
MLA
“upper sixth.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/upper%20sixth. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “upper sixth,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/upper%20sixth.
Source: upper sixth on Wiktionary, CC BY-SA 4.0.