This article documents folklore and reported beliefs. It does not claim that supernatural events are scientifically verified.
The story
Madam Koi Koi
Students tell of a stylish teacher whose red shoes make a distinctive 'koi koi' sound after lights-out. Her origin varies, but the legend is shared across generations of Nigerian schoolchildren.
Context matters
Belief, history & interpretation
This is school folklore, carried through oral storytelling and contemporary media.
Respect the story—and question the claim.
Folklore reveals how communities remember danger, grief, identity and the unknown. It can be meaningful without being treated as proof.