/ Dictionary / Index G grade school: Meaning and Definition of Find definitions for: grade' school" Pronunciation: [key] an elementary school that has its pupils grouped or classified into grades. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. grader grade-schooler Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language