(in Scotland) the most senior class in a secondary school to which pupils, usually above the legal leaving age, may proceed to take sixth-year studies, retake or take additional Highers, etc
Examples of 'sixth year' in a sentence
sixth year
At Christmas in my lower sixth year, we had a surprise: my mum phoned.
Harris, Elizabeth TIME OF THE WOLF
In the October of my upper sixth year, my parents came home for a visit.
Harris, Elizabeth TIME OF THE WOLF
With my seventeenth birthday at the end of my lower sixth year, our travels began anew.