In School Spirits , Janet is revealed to have died in a classroom/chemistry lab fire at Split River High, the same blaze that also killed her teacher, Mr. Martin.

Quick Scoop: What Happened to Janet?

  • Janet is a former student spirit from Split River High whose death is a key mystery in the series.
  • The official story in-universe is that she died in a school lab/classroom fire in the 1960s.
  • The same fire killed Mr. Martin, the guidance‑counselor‑turned-afterlife-group-leader, tying their fates together.
  • Janet was long led to believe she started the fire herself, but later it’s revealed Mr. Martin accidentally caused it, then let her carry the guilt.

How Did Janet Die, Exactly?

From what’s laid out across the show and official explainers:

  1. Janet is in a chemistry/classroom when a fire breaks out at Split River High.
  1. Mr. Martin is present; both of them are caught in the blaze and die there.
  1. Over time, Janet is manipulated into believing she was responsible for starting the fire.
  1. In later explanations, Mr. Martin admits he actually caused the fire by accident, making him the real source of the tragedy, even if it wasn’t intentional.

So, the clean answer: Janet dies in a chem‑lab/classroom fire at Split River High, in the same incident that kills Mr. Martin, and later it’s revealed that he accidentally caused the fire, not her.

Information gathered from public forums or data available on the internet and portrayed here.