-schoolerU.S.|ˈskuːlə(r)|[f. school n.1 + -er1.]As the second element in Combinations, designating a pupil at a specified type of school, or stage of school-life, as grade-schooler, high schooler. See also pre-schooler.1971Sci.Amer. Dec. 114/3 Martin Gardner's well-known learning and mathematical depth are worn lightly in this friendly, comical book for grade schoolers.1972Newsweek 25 Sept. 106/2 (caption) Harvard tutor..and high schoolers.1973Black World June 44/1 Ronald and Wayne are high schoolers.1977Rolling Stone 30 June 60/2 High schoolers will dye their hair gray, and buy iron-on wrinkles, and yearn for the day when their bodies begin to sag.