school age

/S K UW1 L EY0 JH/
noun
  1. 1

    An age at which a child is required to attend school.

adjective
  1. 1

    Being of an age during which attendance at school is customary.

    โ€œHe's no school-age child; he's in college now.โ€

Source: https://en.wiktionary.org/wiki/school%20age, https://en.wiktionary.org/wiki/school-age