a scholastic division, especially in a private school, including the terminal secondary grades.
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How to use upper school in a sentence
When I was at the College school, Gloucester, in 1794, there was a considerable library in a room adjoining the upper school.
They were forming a special plan for strengthening what they called the bond of union in the upper school.
Olive Repton, the pet and darling of nearly the whole of the upper school, was making the others scream with laughter.
The younger Vivians were allowed to remain in the upper school, but were in much lower forms.
At half-past six on the following day the great gong sounded through the entire upper school.
British Dictionary definitions for upper school
the senior pupils in a secondary school, usually those in the fourth and fifth years and above
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012