This was used as a location for the movie “Transfer Student (Tenkosei)”. This is where the two protagonists, Kazuo and Kazumi, fall down the stairs.

“Transfer Student (Tenkousei)”
Directed by Nobuhiko Obayashi.
Released April 17, 1982.

Synopsis:
  One day, 9th grader Kazuo Saito and his childhood friend and transfer student, Kazumi Saito, accidentally fall down some stairs together, and their minds are switched. Not able to confide in their parents nor their friends, they are first embarrassed, but soon their relationship grows deeper.
And then, they fall down some stairs...