/ Dictionary / Index S school age: Meaning and Definition of Find definitions for: school' age" Pronunciation: [key] the age set by law for children to start school attendance. the period of school attendance required by law. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. school schoolbag Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language