Breadcrumb Home > Thesaurus > H Synonyms of highschool Find synonyms for: Noun 1. senior high school, senior high, high, highschool, high school, secondary school, lyceum, lycee, Gymnasium, middle school usage: a public secondary school usually including grades 9 through 12; "he goes to the neighborhood highschool" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of highschool (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: variegate Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language