Want to enter? Here's how
Become a Teacher Champion
Teacher Champions represent their school and submit all the children’s essays. Children can participate in one of two categories – Primary Schools (ages 7-11) or Secondary Schools (ages 11-17).
Register as a Teacher Champion
Study the brief
Every year the competition focuses on a different global sustainability challenge.
This year’s theme is PROTECTING BIODIVERSITY.
The Essay competition for 2021 is now closed, however you still have time to enter the Sustainability Challenge Video Competition, which is open until the 28 February 2021.
See the brief
Fingers crossed
Essay results are announced online on 15 February 2021.
The top entries either receive Finalist (top 10%) or Honourable Mention (top 10-33%) award certificates. The overall Grand Prize Winner, and top ten medallists in each category, are notified separately and announced at the Debates and Awards.
Judging criteria
School debates
The School Debates build on the essay competition, and anyone who enters the essay competition can participate.
The 2021 Debates on Protecting Biodiversity will take place as follows: Country Debates in Spring 2021, and online International Debate & Teacher Champions Exchange as part of the Partner Power: Protecting Biodiversity Summit on 5-10 July 2021.
Learn moreKey dates
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8 September 2020
Registration opens for Teacher Champions/Schools to participate in TSL 2021 Essay Competition
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23 December 2020
Final deadline for essay entries
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15 February 2021
Announcement of international essay competition Finalists & Honourable Mentions
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8 March 2021
Grand Prize Trophy Winner & Top Ten Medallists notified (confidentially)
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15 February - 15 June 2021
Country Debates
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5 July 2021
Teacher Champions Exchange (online)
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6 July 2021
International Schools Debate & Awards (online)
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7-10 July 2021
Partner Power Summit (online)