Ralston Primary School in Paisley was evacuated following a bomb threat and Police had to carry out an extensive search of the building.
The threatening call came though around 10.50am on Monday morning and it wasn’t until Midday children and staff were allowed back into the building.
Nothing suspicious was found.
A Police Scotland spokesman said: “Pupils and staff were evacuated as a precaution taken by the school, and following an extensive search by police no suspicious item was found.
“The pupils and staff were able to return to the school around 1.10pm.
“The incident is being treated as a hoax and enquiries to identify those responsible are ongoing.”