Definition of high school
(Entry 1 of 2)
: a school especially in the U.S. usually including grades 9–12 or 10–12
high school
noun (2)Definition of high school (Entry 2 of 2)
: a system of advanced exercises in horsemanship
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Merriam-Webster unabridged
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Time Traveler for high school
The first known use of high school was in the 15th century
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