Nancie Atwell, a teacher from Southport, Maine, US, receives the 2015 Global Teacher Prize from Sheikh Mohammed bin Rashid, Vice President and Ruler of Dubai, and former US President Bill Clinton in Dubai. Atwell has been teaching since 1973 and founded the Centre for Teaching and Learning in Southport. Kamran Jebreili / AP
Ranjitsinh Disale is awarded the Global Teacher Prize 2020 at the virtual ceremony being held at the Natural History Museum in London. Courtesy: The Varkey Foundation
Winner of the Global Teacher Prize 2019 Peter Tabichi from Kenya celebrating his win at the Global Education and Skills Forum 2019 at Atlantis, The Palm. Leslie Pableo for The National
British teacher Andria Zafirakou receives the Global Teacher Prize from Sheikh Mohammed bin Rashid, Vice President and Ruler of Dubai, in 2018. Karim Sahib / AFP
Maggie MacDonnell is awarded the 2017 Global Teacher Prize by Sheikh Mohammed bin Rashid, Vice President and Ruler of Dubai. Courtesy: Global Teacher Prize
Palestinian teacher Hanan Al Hroub holds her 2016 Global Teacher trophy as her pupils greet her back to Samiha Khalil school in Al Bireh, just outside Ramallah. Heidi Levine For The National
Nancie Atwell, a teacher from Southport, Maine, US, receives the 2015 Global Teacher Prize from Sheikh Mohammed bin Rashid, Vice President and Ruler of Dubai, and former US President Bill Clinton in Dubai. Atwell has been teaching since 1973 and founded the Centre for Teaching and Learning in Southport. Kamran Jebreili / AP
Ranjitsinh Disale is awarded the Global Teacher Prize 2020 at the virtual ceremony being held at the Natural History Museum in London. Courtesy: The Varkey Foundation
Winner of the Global Teacher Prize 2019 Peter Tabichi from Kenya celebrating his win at the Global Education and Skills Forum 2019 at Atlantis, The Palm. Leslie Pableo for The National
British teacher Andria Zafirakou receives the Global Teacher Prize from Sheikh Mohammed bin Rashid, Vice President and Ruler of Dubai, in 2018. Karim Sahib / AFP
Maggie MacDonnell is awarded the 2017 Global Teacher Prize by Sheikh Mohammed bin Rashid, Vice President and Ruler of Dubai. Courtesy: Global Teacher Prize
Palestinian teacher Hanan Al Hroub holds her 2016 Global Teacher trophy as her pupils greet her back to Samiha Khalil school in Al Bireh, just outside Ramallah. Heidi Levine For The National
Nancie Atwell, a teacher from Southport, Maine, US, receives the 2015 Global Teacher Prize from Sheikh Mohammed bin Rashid, Vice President and Ruler of Dubai, and former US President Bill Clinton in Dubai. Atwell has been teaching since 1973 and founded the Centre for Teaching and Learning in Southport. Kamran Jebreili / AP