The number of schools partially shut due to coronavirus outbreaks quadrupled in seven days to one out of every 20.
Around one in eight pupils were out of the classroom on Thursday, Department for Education (DfE) statistics show.
On that same day 4% of state schools were not fully open due to suspected or confirmed coronavirus cases.
That figure is up from 1% on September 10.
While the DfE did not release specific numbers, data it publishes on the number of state nurseries, primaries and secondaries in England (22,029) suggest there are around 880 schools partially closed in the country.
Schools are considered to be not fully open if they are unable to provide face-to-face teaching for all pupils for the whole school day and have asked a group of students to self-isolate.
Approximately 87% of students were in school on September 17, which is down from 88% on September 10, according to the Government figures.
The data’s release follows a stark warning from education leaders that children’s educations are being severely disrupted.
Anne Longfield, the Children’s Commissioner for England, has called on the Government to improve its testing regime in order to avoid “throwing away” the progress made by reopening schools.
Only 0.1% of state schools were fully shut on September 17.
Schools in England have been hit with Covid-19 cases since it became compulsory for pupils to return to class this month.
Some have closed their doors days after reopening, while others have told year groups to self-isolate for two weeks following confirmed cases.
Today Bath and North East Somerset Council announced that East Harptree Church of England Primary School will close for 14 days following two confirmed cases of Covid-19 at the school.
North Fawdon Primary will also to close for two weeks after seven staff and a number of pupils tested positive for Covid-19.
A spokesperson for the multi academy trust, which runs the school, said that many of the students who tested positive were not displaying symptoms, they are unable to identify those who may have the virus and prevent further spread.
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