kindergartner

noun2

1. •
   A child who attends a kindergarten.

   • I partnered the older kids with my kindergartners and let everyone get a taste of teaching or learning from someone different. — 1993
2. •
   (rare) A person who teaches at a kindergarten.

   • But the heart is generally larger than the creed, as was once strikingly evidenced to me by Louisa Frankenberg, a dear, devout old German kindergartner, who had learned the art of kindergartning [...] — 1887