In School Spirits , it has not yet been revealed exactly when Yuri died in terms of a precise year, date, or on‑screen flashback moment.

What we do know so far

  • Yuri is a teen ghost who died at Split River High School, specifically in the school’s greenhouse.
  • The show and official character descriptions place his death sometime in the 1970s, making him one of the oldest ghosts at the school compared with Maddie and the others.
  • As of the latest coverage of Season 2, the series has not shown the exact circumstances or the specific moment of his death, only that the greenhouse is the location and the 1970s is the rough timeframe.

So, answering “when did Yuri die in School Spirits?”

If you’re looking for an in‑universe answer like “Yuri died on [exact date] in Season 2, Episode X,” that information hasn’t been disclosed yet; all we have is that he died in the 1970s in the school greenhouse, with more details teased for future episodes.