2021 International Sustainability Challenge results
| Name | Country | School | Category | Prize |
|---|---|---|---|---|
| Stuart Ratcliffe | Indonesia | Sekolah Ciputra | Teacher | Overall Winner |
|
Janavi Andrea Visvanathan
|
Seychelles | International School | Primary | Category Winner |
| Ema Ažbe | Slovenia | Biotechnical Centre Naklo | Secondary | Category Winner |
| Nchanji Yinkfu Roland | Cameroon | Government Bilingual High School Belabo | 18 + | Category Winner |
| Avani D Briggs | Trinidad and Tobago | Exchange Presbyterian School | Primary | Shortlisted Finalist |
| Abdulazeez Alkotaji | Iraq | Awail Private High School for Boys | Secondary | Shortlisted Finalist |
| Jan Luc Morel | Seychelles | International School | Secondary | Shortlisted Finalist |
| Shinhee Hong | Thailand | Korean International School of Bangkok | 18 + | Shortlisted Finalist |