Someday School (partially found PBS Kids channel block; 1998-2000)
From The Lost Media Wiki
Someday School is a show that aired on PBS Kids from 1998-2000. So much from this show is lost that only one screenshot exists. Not much is known about the show besides the fact that the show was from Canada.
Image https://i.ytimg.com/vi/TfYC2it0jec/hqdefault.jpg
A description of the show https://www.washingtonpost.com/archive/lifestyle/tv/1998/07/19/someday-schools-summer-lessons/28c42659-a2b0-42f5-b852-e3517fb82988/