How to use in-sentence of “classmate”:
+ Stimpy was named by John Kricfalusi’s classmate “Stimpy Cadogen”.
+ Susie Derkins, the only character in the strip with both first and last names, is a classmate of Calvin who lives in his neighborhood.
+ Her best friends are the child next door Teddy and her classmate Denise.
+ Ichigo balances the demands of his substitute Soul Reaper duties and high school while gaining allies in his classmate Orihime Inoue, Yasutora “Chad” Sado, and Uryu Ishida of the Quincies.
+ In the television series “Buffy”, during episode 61, Buffy eyes a classmate eating a sandwich, snatches it and hungrily scarfs it down.
+ Then following his graduation in 1826 from Bowdoin College, where he was a classmate of Nathaniel Hawthorne, Longfellow went to Europe to study.
+ At the Tamagawa University, he meet Mitsuo Hamada, a fellow classmate and latter became his friend.

