Schools in London, Brighton and Newcastle were among those shut after fake security dangers.
No less than nine more schools have shut amid exam season in the midst of a progression of bomb and shooter scams made to schools over the UK.
The £12,000-a-year young ladies' private Brighton and Hove High School in East Sussex was among the schools compelled to empty after false bomb dangers were made, the Daily Mail reported.
Stella Maris Primary School and Sandgate Primary School in Folkestone likewise shut subsequent to getting false notices around a rebel shooter on the premises.
Both schools have following revived after officers cleared the risk.
Schools were likewise shut in London, Middlesbrough and Newcastle after bomb dangers.
Criminologist Sergeant James Meanwell told the Daily Mail: "The call [in Brighton] indicates likenesses to various calls that were gotten at schools in Sussex and others in the UK on Tuesday this week.
"These stay under scrutiny as pernicious scams. We are currently researching this occurrence as an involved fabrication and are fulfilled that there was no solid danger to the school."
Around 27 schools in Britain were shut on Monday taking after false dangers, and a further 16 were closed on Tuesday.