A boy doing chin-ups as he takes entrance exams at the Moscow Suvorov Military School in Moscow, Russia on July 11, 2019. (Photo by Sergei Karpukhin/Russian News Agency TASS via Getty Images)

Students dressed up as Hindu gods Lord Krishna and Lord Shiva participate in a cultural event in their school in Mumbai, India on August 21, 2019. (Photo by Indranil Mukherjee/AFP Photo)

Members of the Colombian Military forces pray for members of the military that have lost their lives and peace in the country at the Military Engineers School in Bogota, Colombia on October 14, 2021. (Photo by Juancho Torres/Anadolu Agency via Getty Images)

A reveller from Unidos da Tijuca samba school performs during the first night of the Carnival parade at the Sambadrome in Rio de Janeiro, Brazil on March 4, 2019. (Photo by Pilar Olivares/Reuters)

A teenager reacts as she receives a shot of the Sinovac vaccine for COVID-19 during a vaccination campaign at a school in Denpasar, Bali, Indonesia on Monday, July 5, 2021. (Photo by Firdia Lisnawati/AP Photo)

Students of the Ballet Academy prepare to perform during the school annual ceremony in Baghdad, Iraq, Friday, April 1, 2022. (Photo by Hadi Mizban/AP Photo)

Students attend the first day of in-person classes, at a flooded school due to high tide, in Macabebe, Pampanga province, Philippines on August 22, 2022. (Photo by Lisa Marie David/Reuters)

Children dressed as Santa Clause play with a soccer ball as they celebrate at their school ahead of Christmas in Chennai on December 23, 2021. (Photo by Arun Sankar/AFP Photo)