Rules for school children across England could be ended after the summer, according to reports. England's children's commissioner told the Telegraph bubbles should be scrapped as soon as possible.
Sajid Javid, the new Health Secretary, said he would look into the possibilities.
Pupils in the UK are currently asked to self-isolate if anyone in their year group tests positive for coronavirus.
Students who are considered a close contact are told to self-isolate at home for 10 days.
Last week, official data suggested more than 250,000 students were not at school due to coronavirus.
The Government is considering options to end the policy, but it warned it will not make any changes until the autumn.
Dr Sunil Bhopal, an expert in child health at Newcastle University, called for the policy to be changed sooner.
He told BBC News: "It is a policy that has had its time.
“We have to ask ourselves what is proportionate given the protection offered by vaccines.
DON'T MISS:
Nicola Sturgeon's travel ban 'impossible' to enforce, police say [LATEST]
Calls for separate Scottish BBC following English favoured Euros [INSIGHT]
Brexit battle: Scotland may bend UK rules to help EU citizens [REVEAL]