A female student of Junior Secondary School 3 in St Andrew Grammar school, Ondo State, has died after several blocks from the school building fell on her head.
Part of the school building collapsed at about 12noon on Friday during school hours.
The school is located at Ondo City in Ondo West Local government Area.
Sources said the unnamed victim was taken to Ondo State Teaching Hospital for medical attention but died on the way.
The school principal, identified simply as Mr Oladunjoye, has reportedly fled the school.
Policemen have arrived at the scene.