Head teachers are seeking legal advice on whether they can ban staff from going abroad in the half-term holiday.
Heads are contacting education lawyers to ask whether they can tell teachers to stay in the UK in the week-long break in October, The Times has learnt.
Stone King, a legal firm with expertise in the charity and education sectors, said that it had received about 20 calls from state schools worried that teachers will need to quarantine for a fortnight if they take overseas holidays.
It said that heads may be within their rights to forbid teachers from travelling abroad in case the country they visited went on the list of banned destinations at short notice.
Craig Vincent, head of human resources consultancy at Stone