Britain's Prince George, Princess Charlotte and Prince Louis, accompanied by their parents Prince William and Catherine, Duchess of Cambridge, are greeted by Headmaster Jonathan Perry as they arrive for a settling-in afternoon at Lambrook School, an annual event held to welcome new starters and their families the day before the start of the new school term, near Ascot in Berkshire, Britain, September 7, 2022. Jonathan Brady/Pool via REUTERS 

Britain's Prince George, Princess Charlotte and Prince Louis, accompanied by their parents Prince William and Catherine, Duchess of Cambridge, are greeted by Headmaster Jonathan Perry as they arrive for a settling-in afternoon at Lambrook School, an annual event held to welcome new starters and their families the day before the start of the new school term, near Ascot in Berkshire, Britain, September 7, 2022. Jonathan Brady/Pool via REUTERS 

Britain's Prince George, Princess Charlotte and Prince Louis, accompanied by their parents Prince William and Catherine, Duchess of Cambridge, are greeted by Headmaster Jonathan Perry as they arrive for a settling-in afternoon at Lambrook School, an annual event held to welcome new starters and their families the day before the start of the new school term, near Ascot in Berkshire, Britain, September 7, 2022. Jonathan Brady/Pool via REUTERS 

Nikhil Kumar Mondal, 65, a retired school headmaster, buys vegetables from a vendor at a market on the outskirts of Kolkata, India, May 20, 2022. Picture taken May 20, 2022. REUTERS/Rupak De Chowdhuri 

Nikhil Kumar Mondal, 65, a retired school headmaster, adjusts the antenna of his radio inside his house on the outskirts of Kolkata, India, May 20, 2022. Picture taken May 20, 2022. REUTERS/Rupak De Chowdhuri 

Election logistics are pictured inside the headmaster's room at an elementary school used as a polling precinct during preparation a day prior to the national elections, in Manila, Philippines, May 8, 2022. REUTERS/Willy Kurniawan 

Tatyana Mudrik, headmaster of the local school stands in a classroom that was damaged during aerial bombing in the village of Byshiv outside Kyiv as Russia's advance on the Ukrainian capital continues, Ukraine, March 12, 2022. REUTERS/Thomas Peter 

Tatyana Mudrik, headmaster of the local school stands in a classroom that was damaged during aerial bombing in the village of Byshiv outside Kyiv as Russia's advance on the Ukrainian capital continues, Ukraine, March 12, 2022. REUTERS/Thomas Peter REFILE - CORRECTING INFORMATION 

Executive Headmaster Alun Ebenezer demonstrates an elbow greeting to pupils from The Fulham Boys School after they returned to school for the first time since March amid the spread of the coronavirus disease (COVID-19) in Fulham, South-West London, Britain September 2, 2020. REUTERS/Kevin Coombs 

Executive Headmaster Alun Ebenezer directs pupils from The Fulham Boys School as they return to school for the first time since March amid the spread of the coronavirus disease (COVID-19) in Fulham, South-West London, Britain September 2, 2020. REUTERS/Kevin Coombs 

Waleed Ayyoub, the headmaster of Othman Bin Affan school, holds a meeting as Palestinian students receive their certificates with preventive measures taken against the coronavirus disease (COVID-19), in the northern Gaza Strip May 21, 2020. REUTERS/Mohammed Salem 

Iain Silk, Prep School Headmaster at Bedford School reads birthday cards ahead of Captain Tom Moore's 100th birthday on Thursday, as the spread of the coronavirus disease (COVID-19) continues, Bedford, Britain, April 28, 2020 REUTERS/Matthew Childs 

Iain Silk, Prep School Headmaster at Bedford School holds birthday cards ahead of Captain Tom Moore's 100th birthday on Thursday, as the spread of the coronavirus disease (COVID-19) continues, Bedford, Britain, April 28, 2020 REUTERS/Matthew Childs 

Iain Silk, Prep School Headmaster at Bedford School holds birthday cards ahead of Captain Tom Moore's 100th birthday on Thursday, as the spread of the coronavirus disease (COVID-19) continues, Bedford, Britain, April 28, 2020 REUTERS/Matthew Childs 

Queen Elizabeth II with headmaster Ian Wilmshurst during a visit to King's Bruton School where she will mark the School's 500th anniversary and open the new Music Centre, in Bruton, Somerset, Britain March 28, 2019. Ben Birchall/Pool via REUTERS 

Queen Elizabeth II with headmaster Ian Wilmshurst during a visit to King's Bruton School where she will mark the School's 500th anniversary and open the new Music Centre, in Bruton, Somerset, Britain March 28, 2019. Ben Birchall/Pool via REUTERS 

Queen Elizabeth II with headmaster Ian Wilmshurst during a visit to King's Bruton School where she will mark the School's 500th anniversary and open the new Music Centre, in Bruton, Somerset, Britain March 28, 2019. Ben Birchall/Pool via REUTERS 

St. Philip's School and Community Center headmaster Terry Flowers gives a tour of the centerÕs South Dallas food bank to Federal Reserve Vice Chairman Richard Clarida and Dallas Federal Reserve Bank President Robert Kaplan in Dallas, Texas, U.S., February 25, 2019. REUTERS/Ann Saphir 

The Queen walks with principlal Richard Backhouse during Berkhamsted School's 475th Anniversarty celebrations on May 6, 2016 in Berkhamsted, Britain. REUTERS/Eamonn M. McCormack/Pool

The Queen walks with principlal Richard Backhouse during Berkhamsted School's 475th Anniversarty celebrations on May 6, 2016 in Berkhamsted, Britain. REUTERS/Eamonn M. McCormack/Pool

The Queen walks with principlal Richard Backhouse during Berkhamsted School's 475th Anniversarty celebrations on May 6, 2016 in Berkhamsted, Britain. REUTERS/Eamonn M. McCormack/Pool

School principal Dr Ang Kiam Wee (L) shows India's Prime Minister Narendra Modi (2nd L) an augmented reality learning interface during a tour of the Institute of Technical Education (ITE) College in Singapore November 24, 2015. REUTERS/Wallace Woon/Pool 

Kamal Hanif, school principal of Waverley School, poses for a portrait at the school in Birmingham, Britain, June 26, 2015. Picture taken June 26, 2015. To match Insight RADICALISATION-BRITAIN/EDUCATION REUTERS/Andrew Yates

Kamal Hanif, school principal of Waverley School, poses for a portrait at the school in Birmingham, Britain, June 26, 2015. Picture taken June 26, 2015. To match Insight RADICALISATION-BRITAIN/EDUCATION REUTERS/Andrew Yates

Kamal Hanif, school principal of Waverley School, poses for a portrait at the school in Birmingham, Britain, June 26, 2015. Picture taken June 26, 2015. To match Insight RADICALISATION-BRITAIN/EDUCATION REUTERS/Andrew Yates

Kamal Hanif, school principal of Waverley School, poses for a portrait at the school in Birmingham, Britain, June 26, 2015. Picture taken June 26, 2015. To match Insight RADICALISATION-BRITAIN/EDUCATION REUTERS/Andrew Yates

Former U.S. President George W. Bush dances with principal Alexina Medley at Warren Easton Charter High School one day before the ten year anniversary of Hurricane Katrina in New Orleans, Louisiana, August 28, 2015. REUTERS/Jonathan Bachman 

Former U.S. President George W. Bush dances with principal Alexina Medley at Warren Easton Charter High School one day before the ten year anniversary of Hurricane Katrina in New Orleans, Louisiana, August 28, 2015. REUTERS/Jonathan Bachman TPX IMAGES OF THE DAY

The burial site of former headmaster Thomas Arnold is seen in the chapel at Rugby School in central England, March 18, 2015. Rugby School is known as the spiritual home of rugby. According to a popular version of the game's origins, it was on the school's playing field that in 1823, in a game that could loosely be described as football but was more like a brawl, a pupil called William Webb Ellis caught the ball and, instead of kicking towards the goal, sprinted with it - breaking the code and laying the way for modern-day rugby. Five months from now, on September 18, the Rugby World Cup kicks off in Britain. REUTERS/Neil Hall



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Playing fields are seen through the headmaster's sitting room window at Rugby School in central England, March 18, 2015. Rugby School is known as the spiritual home of rugby. According to a popular version of the game's origins, it was on the school's playing field that in 1823, in a game that could loosely be described as football but was more like a brawl, a pupil called William Webb Ellis caught the ball and, instead of kicking towards the goal, sprinted with it - breaking the code and laying the way for modern-day rugby. Five months from now, on September 18, the Rugby World Cup kicks off in Britain. REUTERS/Neil Hall



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Paul Alexander Hatyay (C), the headmaster, and teachers of Central School lay out books to dry in the sun after the roof of the school's library was blown away by Cyclone Pam in Port Vila, the capital city of the Pacific island nation of Vanuatu March 18, 2015. International aid agencies ramped up appeals for cyclone-hit Vanuatu on Wednesday, warning that the powerful storm that affected more than two-thirds of the South Pacific island nation had wiped out crops and destroyed fishing fleets, raising the risk of hunger and disease. The headmaster is appealing for a donation of books after the cyclone damaged their school. REUTERS/Edgar Su

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Paul Alexander Hatyay (C), the headmaster, and teachers of Central School lay out books to dry in the sun after the roof of the school's library was blown away by Cyclone Pam in Port Vila, the capital city of the Pacific island nation of Vanuatu March 18, 2015. International aid agencies ramped up appeals for cyclone-hit Vanuatu on Wednesday, warning that the powerful storm that affected more than two-thirds of the South Pacific island nation had wiped out crops and destroyed fishing fleets, raising the risk of hunger and disease. The headmaster is appealing for a donation of books after the cyclone damaged their school. REUTERS/Edgar Su (VANUATU - Tags: ENVIRONMENT DISASTER EDUCATION TPX IMAGES OF THE DAY)

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Sulaiman Sarki, headmaster of Maska Road Islamic School, poses for a picture in his office in Kaduna, July 16, 2014. In classrooms facing a sandy courtyard in the northern Nigerian city of Kaduna, Maska Road Islamic School teaches a creed that condemns the violent ideology of groups like Boko Haram. The school is steadfast in preaching tolerance to its pupils, and the government is about to adopt this message in a new strategy for containing Boko Haram, which has killed thousands in a five-year campaign for an Islamic state. Picture taken July 16, 2014. To match Insight NIGERIA-BOKO HARAM/ REUTERS/Joe Penney (NIGERIA - Tags: CIVIL UNREST POLITICS EDUCATION SOCIETY RELIGION) 

Marco Antonio Trotta, headmaster of the martial art Ninjutsu, performs during training inside the Tijuca forest in Rio de Janeiro, November 20, 2013. Ninjitsu training, practiced by the shinobi also known as ninjas, involve unconventional warfare tactics, team infiltration and camouflage. Picture taken November 20, 2013. REUTERS/Pilar Olivares (BRAZIL - Tags: SOCIETY) 

Srimati Kumari, a school headmistress, eats the free mid-day meal, distributed by a government-run primary school, before being served to schoolchildren at Brahimpur village in Chapra district of the eastern Indian state of Bihar July 19, 2013. The midday meal scheme of giving school pupils a free lunch is the largest such programme in the world. It has been widely lauded as one of the most successful welfare measures in India, home to a quarter of the world's hungry, because it also boosts school enrolments and helps children to continue studies. For millions of poor families, the lunch is the only full meal their children eat in a day. That encourages them to send them to school, and not keep them home to help with chores. For this reason, despite being poorly managed, the scheme draws a lot of support from non-governmental organisations, rights activists and the United Nations. Picture taken July 19, 2013. REUTERS/Adnan Abidi (INDIA - Tags: HEALTH FOOD EDUCATION SOCIETY) 

Headmaster of local school number one Emirmagomed Davydov gives an interview confirming that Boston bombing suspect Dzhokhar Tsarnaev studied at the school in Makhachkala, April 19, 2013. Tsarnaev posted links to Islamic websites and others calling for Chechen independence on what appears to be his page on a Russian social networking site. It says he went to primary school in Makhachkala, capital of Dagestan, a province in Russia that borders Chechnya, and lists his languages as English, Russian and Chechen. REUTERS/Sergei Rasulov (RUSSIA - Tags: CRIME LAW CIVIL UNREST EDUCATION) 

Yoo Bok-yeob (C), 72, a village schoolmaster, casts his ballot with his family members in the presidential election at a polling station in Nonsan, about 190 km (118 miles) south of Seoul, December 19, 2012. More than 40 million people are eligible to vote in the presidential election of the country on Wednesday to elect a winner who will take office in February for the mandatory five year single term. REUTERS/Lee Jae-Won (SOUTH KOREA - Tags: POLITICS ELECTIONS TPX IMAGES OF THE DAY) 

Yoo Bok-yeob (L), a village schoolmaster who leads a Confucian lifestyle, queues up to cast his ballot at a polling station during parliamentary elections in Nonsan, about 190 km (118 miles) south of Seoul April 11, 2012. South Koreans voted in parliamentary elections on Wednesday as the incumbent conservatives sought to overcome allegations of sleaze and growing discontent over the power of big business. Opinion polls indicate that the conservatives and the progressive and reform opposition parties are in a dead heat in the election that serves as a curtain-raiser for the presidential vote in December. REUTERS/Kim Kyung-Hoon (SOUTH KOREA - Tags: POLITICS ELECTIONS TPX IMAGES OF THE DAY) 

Canadian Prime Minister Stephen Harper (L) is escorted by Yuriage Junior High School Principal Sumio Takahashi (R), and other officials, as he visits the school where an area was damaged by the March 11, 2011 earthquake and tsunami in Natori, Miyagi prefecture, March 26, 2012. REUTERS/Issei Kato (JAPAN - Tags: DISASTER POLITICS) 

France's President Nicolas Sarkozy (C), Education Minister Luc Chatel (R) and their unidentified headmaster (L) and the pupils of the Francois Couperin College are seen after they observed a minute of silence in the courtyard at their school in Paris March 20, 2012 to pay tribute to the four victims killed by a gunman at a Jewish school in Toulouse on Monday. A gunman on a motorbike shot dead four people, including three children, outside Ozar Hatorah, just days after three soldiers were killed in similar shootings in the same area of southwest France. REUTERS/Jacques Brinon/Pool (FRANCE - Tags: POLITICS EDUCATION RELIGION CRIME LAW) ATTENTION EDITORS : FRENCH LAW REQUIRES THAT THE FACES OF MINORS ARE MASKED IN PUBLICATIONS WITHIN FRANCE 

Elliot Wolf, King David School's retired headmaster and former Latin teacher of Greg Smith looks on at the school's offices in suburban Johannesburg, March 15, 2012. Smith was a principled and competitive student, the kind of person whose strong sense of right and wrong probably pushed him to resign from Goldman Sachs in a scathing letter to an international newspaper, his former teacher and coach said. REUTERS/Siphiwe Sibeko (SOUTH AFRICA - Tags: BUSINESS EDUCATION) 

France's President Nicolas Sarkozy plays table tennis with a young boy identified as Florian (L), 13 years old, as he visits a reintegration school (ERS) in Bagnieres de Luchon, April 14, 2011. France's Education Minister Luc Chatel (L) and school headmaster Denis Bizot watch as the two play. REUTERS/Philippe Wojazer (FRANCE - Tags: POLITICS) 

Former Brazilian President Inacio Lula da Silva (R) listens the principal headmaster Joao Gabriel Silva during a ceremony in Coimbra University where Lula da Silva received his honoris causa degree March 30, 2011. REUTERS/Jose Manuel Ribeiro (PORTUGAL - Tags: POLITICS EDUCATION) 

A headmaster standing in front of a rubbish strewn tree surveys flood damage to houses and his school on the banks of the Kabul River in Nowshera, Pakistan's northwest Khyber-Pakhtunkhwa Province August 21, 2010. Waters began raging through an area of Pakistan about the size of England some three weeks ago, ravaging crops, washing away villages, destroying roads and bridges and leaving millions homeless and penniless. REUTERS/Tim Wimborne (PAKISTAN - Tags: DISASTER ENVIRONMENT) 

A headmaster recovers flood damaged school leaving certificates from the ruins of Hira Girl's High School, which sits on the banks of the Kabul River in Nowshera, Pakistan's northwest Khyber-Pakhtunkhwa Province August 21, 2010. Waters began raging through an area of Pakistan about the size of England some three weeks ago, ravaging crops, washing away villages, destroying roads and bridges and leaving millions homeless and penniless. REUTERS/Tim Wimborne (PAKISTAN - Tags: DISASTER ENVIRONMENT) 

A pedestrian walks past the "Canisius Kolleg" catholic high school at Berlin's Tiergarten district in Berlin January 28, 2010. The headmaster of the Jesuit managed high school has sent an open letter to former students to apologise for the sexual abuse in the 70s and 80s by some priests working at the school. REUTERS/Fabrizio Bensch (GERMANY - Tags: CRIME LAW EDUCATION) 

A general view shows the "Canisius Kolleg" catholic high school at Berlin's Tiergarten district in Berlin January 28, 2010. The headmaster of the Jesuit managed high school has sent an open letter to former students to apologise for the sexual abuse in the 70s and 80s by some priests working at the school. REUTERS/Fabrizio Bensch (GERMANY - Tags: CRIME LAW EDUCATION) 

King's-Edgehill student Bryn Bowen (R) speaks while standing with school physician Mark Kazimirski (C) and headmaster Joseph Seagram during a news conference at the community centre in Windsor, Nova Scotia April 26, 2009. Bowen was on a class trip to Mexico which resulted in some of his classmates coming in contact with the swine influenza. Canada reported its first confirmed cases of swine flu on Sunday at opposite ends of the country, with two cases in the western province of British Columbia and four in the Atlantic province of Nova Scotia. REUTERS/Paul Darrow (CANADA HEALTH) 

Joseph Seagram (L), headmaster of King's-Edgehill school, listens as school physician Mark Kazimirski speaks during a news conference at the community centre in Windsor, Nova Scotia April 26, 2009. The province's Department of Health Promotions and Protections has identified four cases of swine influenza at the school. REUTERS/Paul Darrow (CANADA HEALTH) 

Director General of UNESCO Koichiro Matsuura (R) leaves a school after giving books to the school's headmaster in Old Havana January 19, 2009. Matsuura is in Cuba on an official visit. REUTERS/Claudia Daut (CUBA) 

Jeremy Hibbin, headmaster of the British International School in Ljubljana, makes a funny face at students next to Britain's Queen Elizabeth
during a workshop called "Jungle-Jangle" October 21, 2008. Queen Elizabeth and Prince Philip are on a two-day official visit to Slovenia. REUTERS/Tina Kosec/Pool (SLOVENIA) 

Britain's Queen Elizabeth (R) and Jeremy Hibbin, headmaster of the British International School, attend a workshop called "Jungle-Jangle" in Ljubljana October 21, 2008. Queen Elizabeth and Prince Philip are on a two-day official visit to Slovenia. REUTERS/Tina Kosec/Pool (SLOVENIA) 

Britain's Queen Elizabeth (R) and Jeremy Hibbin, headmaster of the British International School, attend a workshop called "Jungle-Jangle" in Ljubljana October 21, 2008. Queen Elizabeth and Prince Philip are on a two-day official visit to Slovenia. REUTERS/Tina Kosec/Pool (SLOVENIA) 

U.S. President George W. Bush (C) and first lady Laura Bush (L) walk with St. Albans School Headmaster Vance Wilson after attending a wake for journalist Tim Russert in Washington June 17, 2008. REUTERS/Jim Young (UNITED STATES) 

Undated family photo of Awad al-Qiq in Rafah in the southern Gaza Strip. Awad al-Qiq was a respected science teacher and headmaster at a United Nations school in the Gaza Strip. By night, Palestinian militants say, he built rockets for Islamic Jihad. REUTERS/Handout (GAZA). FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS. 

A Palestinian relative of Awad al-Qiq poses with his picture at his house in Rafah in the southern Gaza Strip, May 1, 2008. By day, Awad al-Qiq was a respected science teacher and headmaster at a United Nations school in the Gaza Strip. By night, Palestinian militants say, he built rockets for Islamic Jihad. Picture taken on May 1, 2008. REUTERS/Ibraheem Abu Mustafa (GAZA) 

The headmaster (R) observes a class at the Ishkashim high school for girls in the northeastern province of Badakhshan, near the border with Tajikistan, April 23, 2008. REUTERS/Ahmad Masood (AFGHANISTAN) 

Britain's Queen Elizabeth II (R) smiles as she walks with headmaster Francis Senabulya (L) during her visit to Kitante Primary School in Kampala November 23, 2007, on the last day of her state visit to Uganda. The Queen was visiting Uganda during the Commonwealth Heads of Government Meeting (CHOGM). REUTERS/Jon Hrusa/Pool (UGANDA) 

Gisela Sassmannshausen, the headmistress of the Georg Buechner high school stands in front of the school in Kaarst near Duesseldorf November 20, 2007. The Georg Buechner secondary school was closed on Tuesday after Finnish police picked up an Internet chat in the early morning hours that indicated a planned school massacre. REUTERS/Wolfgang Rattay (GERMANY) 

Beatrix Goerdner, the headmaster of the Georg Buechner high school addresses a news conference in the Cologne suburb of Weiden November 19, 2007. Local police said two youths, aged 17 and 18, aimed to "kill and injure" people at their secondary school on Tuesday and then commit suicide exactly a year after an attack by a gunman on a school in a town north of Cologne. The younger of the two suspects committed suicide on Friday, while the second had been taken into custody, police said. REUTERS/Wolfgang Rattay (GERMANY)