Thank you!

We received a record number of entries to the TSL 2026 International Student Competition

We’re pleased to announce this year’s FINALIST and HONOURABLE MENTION winners!

Download your certificates

2026 – SUSTAINABILITY CULTURE – learn more

Please note: registration for next year’s competition opens in September 2026

We are very pleased to report that the TSL 2026 Competition on SUSTAINABILITY CULTURE received 2,710 entries from schools worldwide, setting a new record.

This year’s Grand Prize Winner and Top 10 Primary and Secondary School Winners will be announced on July 1-2, 2026, following the TSL International Student Debates.

This year’s competition builds on the previous record set during last year’s competition on ECO-ANXIETY, which received entries from 81 countries.

Have you heard our TSL 2025 Grand Prize winning entry from Michelle Amadiegwu (Dartford Grammar School for Girls, UK), which was featured on the BBC News?

Congratulations to all participating students and teachers.

See the latest competition updates here:
International Student Competition
International Student Debates

Learn more about TSL’s award-winning work in sustainability education in the UK and worldwide – including The Living Rainforest visitor centre in Berkshire, England; the annual TSL International Student Competition in 120+ countries, and training and CPD opportunities for teachers and education professionals, both nationally and internationally.

If you’re a company or academic institution, whether you’re looking to develop your sustainability strategy or hold an inspiring awayday with your team, you’ve come to the right place.

Join the journey to a better future!

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