Ketula Melo from the Imperatriz Leopoldinense samba school performs during Carnival celebrations at the Sambadrome in Rio de Janeiro, Brazil, Friday, April 22, 2022. (AP Photo/Bruna Prado)

A girl receives Covid-19 vaccine as Nepal Government begins vaccinating children aged 5-12 at a school in Kathmandu on June 23, 2022. (Photo by Aryan Dhimal/ZUMA Press Wire/Rex Features/Shutterstock)

Australian ballet dancer Marilyn Rowe prepares to perform Swan Lake with the Australian Ballet at the Canberra Theatre in 1978. Rowe was appointed director of the Australian Ballet School in 1999. (Photo by John Crowther/The Guardian)

A student from the General Yermolov Cadet School takes part in weapons training during a two-day field exercise near the village of Sengileyevskoye, just outside the south Russian city of Stavropol April 13, 2014. The General Yermolov Cadet School in the southern Russian city of Stavropol is a state-run institution that teaches military and patriotic classes in addition to a normal syllabus. (Photo by Eduard Korniyenko/Reuters)

Students at the Cuba's National Ballet School (ENB) watch a class from outside the classroom in Havana, Cuba, October 12, 2016. Catherine Conley, the first American full-time student at Cuba's prestigious National Ballet School, hopes to gain an edge back home by learning the powerful Cuban style with its dazzling turns and jumps. (Photo by Alexandre Meneghini/Reuters)

Boys walk home for lunch from school in the village of Kogelo, west of Kenya's capital Nairobi, July 16, 2015. U.S. President Barack Obama visits Kenya and Ethiopia later this month. His ancestral home of Kogelo is home to Sarah Hussein Obama, his step-grandmother. The Kenyan village, burial place of Obama's father, features an open-pit goldmine, a pork butcher's, a school named after their most famous son and outdoor market stalls. Villagers get around by motorbike taxi or on foot while a donkey-cart transports water. Children, some of them named Obama in honour of the President, walk to and from school together. (Photo by Thomas Mukoya/Reuters)

Antonina, 9, looks through a shrapnel-broken window after an online lesson on the first school day at her home in the village of Pokrovske, on September 1, 2022, amid Russian invasion of Ukraine. In Pokrovske, a tiny village of 24 people in the Mykolayev region of southern Ukraine, nine-year-old Antonina Sidorenko started school to the steady sound of cannons in this town near the front line. (Photo by Dimitar Dilkoff/AFP Photo)

A Filipino teacher checks a picture of a student shown on a tablet that is attached to robot during a graduation ceremony at a school in Taguig City, Philippines, 22 May 2020. At least 179 high school students received their diploma during an online graduation ceremony that was beamed live on Facebook as a measure to prevent the spread of the coronavirus and COVID-19 disease. (Photo by Francis R. Malasig/EPA/EFE)