schoolchild

• school-child, school child

school +‎ child

• enPR: skōōlchīld, IPA^(key): /ˈskuːltʃaɪld/, IPA^(key): /ˈsku.əltʃaɪld/
• Hyphenation: school‧child

schoolchild (plural schoolchildren)

1. A young person attending school or of an age to attend school.
   • 1909, Archibald Marshall [pseudonym; Arthur Hammond Marshall], chapter I, in The Squire’s Daughter, London: Methuen, OCLC 12026604; republished New York, N.Y.: Dodd, Mead and Company, 1919, OCLC 491297620:

     They stayed together during three dances, went out on to the terrace, explored wherever they were permitted to explore, paid two visits to the buffet, and enjoyed themselves much in the same way as if they had been school-children surreptitiously breaking loose from an assembly of grown-ups.

   • 2011, Meg Mitchell Moore, The Arrivals:

     Spring ahead, fall back: Kathleen had once learned some rhyme about that when she was a schoolchild, but she no longer remembered it.

• pupil, student (especially US)
• schoolkid (informal)

• schoolboy
• schoolgirl