Pupils have breakfast at The Fulham Boys School on the first day after the Christmas holidays following a government announcement that face masks are to be worn in English secondary schools amid the coronavirus disease (COVID-19) outbreak in London, Britain, January 4, 2022.

Pupils at The Fulham Boys School take a mock exam on the first day after the Christmas holidays following a government announcement that face masks are to be worn in English secondary schools amid the coronavirus disease (COVID-19) outbreak in London, Britain, January 4, 2022.

A teacher lays out exams at The Fulham Boys School on the first day after the Christmas holidays following a government announcement that face masks are to be worn in English secondary schools amid the coronavirus disease (COVID-19) outbreak in London, Britain, January 4, 2022.

Pupils work in a classroom at The Fulham Boys School on the first day after the Christmas holidays following a government announcement that face masks are to be worn in English secondary schools amid the coronavirus disease (COVID-19) outbreak in London, Britain, January 4, 2022.

Pupils stand at The Fulham Boys School on the first day after the Christmas holidays following a government announcement that face masks are to be worn in English secondary schools amid the coronavirus disease (COVID-19) outbreak in London, Britain, January 4, 2022.

Pupils at The Fulham Boys School return to school on the first day after the Christmas holidays following a government announcement that face masks are to be worn in English secondary schools amid the coronavirus disease (COVID-19) outbreak in London, Britain, January 4, 2022.

Pupils sit next to lockers at The Fulham Boys School on the first day after the Christmas holidays following a government announcement that face masks are to be worn in English secondary schools amid the coronavirus disease (COVID-19) outbreak in London, Britain, January 4, 2022.

Pupils interact next to lockers at The Fulham Boys School on the first day after the Christmas holidays following a government announcement that face masks are to be worn in English secondary schools amid the coronavirus disease (COVID-19) outbreak in London, Britain, January 4, 2022.

Pupils work in a classroom at The Fulham Boys School on the first day after the Christmas holidays following a government announcement that face masks are to be worn in English secondary schools amid the coronavirus disease (COVID-19) outbreak in London, Britain, January 4, 2022.

Pupils work in a classroom at The Fulham Boys School on the first day after the Christmas holidays following a government announcement that face masks are to be worn in English secondary schools amid the coronavirus disease (COVID-19) outbreak in London, Britain, January 4, 2022.

Pupils at The Fulham Boys School take a mock exam on the first day after the Christmas holidays following a government announcement that face masks are to be worn in English secondary schools amid the coronavirus disease (COVID-19) outbreak in London, Britain, January 4, 2022.

Pupils work in a classroom at The Fulham Boys School on the first day after the Christmas holidays following a government announcement that face masks are to be worn in English secondary schools amid the coronavirus disease (COVID-19) outbreak in London, Britain, January 4, 2022.

Pupils at The Fulham Boys School take a mock exam on the first day after the Christmas holidays following a government announcement that face masks are to be worn in English secondary schools amid the coronavirus disease (COVID-19) outbreak in London, Britain, January 4, 2022.

Pupils at The Fulham Boys School take a mock exam on the first day after the Christmas holidays following a government announcement that face masks are to be worn in English secondary schools amid the coronavirus disease (COVID-19) outbreak in London, Britain, January 4, 2022.

Pupils attend The Fulham Boys School on the first day after the Christmas holidays following a government announcement that face masks are to be worn in English secondary schools amid the coronavirus disease (COVID-19) outbreak in London, Britain, January 4, 2022.