The Lagos state government has confirmed that a total of 20 people died in the collapsed building incident on Wednesday.
The state commission for health, Dr Jide Idris disclosed this figure at a media briefing on the sad incident after rescue operation has been completed.
Idris said out of the 20 casualty recorded, 16 were pupils of the school while the remaining 4 were adults.
He also debunked the alleged extortion against staff of the Lagos Island general hospital by relations of victims.
The collapsed building housed a private nursery school, residents and shops on the floor of the structure.