These scholarships are in memory of Helen Castle, a dedicated and enthusiastic science teacher who tragically died during the Eyre Peninsula bushfires in 2005.
The scholarship is designed to assist country science teachers attend the SASTA conference and gain professional development to assist themselves and other country teachers to maintain a high standard of science teaching within country areas.
| 2024 | Christine Kemp | Caritas College |
| 2023 | Karl Klose | Loxton Lutheran school |
| 2022 | Sarah Edwards | Naracoorte High School |
| 2021 | Grace Edwards | Mount Gambier High School |
| 2019 | Hannah Fryar | Mount Gambier High School |
| 2018 | Selena Kleinrahm | Memorial Oval Primary School |
| 2017 | Teresa Erceg | Glossop High School |
| 2017 | Rachel Pillar | Kangaroo Island Community Education |
| 2015 | Alexandra Fowler | Woomera Area School |
| 2014 | Natalie Mason | Roxby Downs Area School |
| 2014 | Dylan Milton | Cowell Area School |
| 2012 | Malcolm Rogers | Cowell Area School |
| 2012 | Georgina Sweet | Mannum Community College |
| 2011 | Ruth Callcott | Port Lincoln High School |
| 2011 | John Flint | Wudinna |
| 2010 | Lauren Kirk | Renmark High School |
| 2010 | Kym Willis | Quorn Area School |
| 2009 | Samantha Brown | Mount Gambier High School |
| 2009 | Jamie Brock | Hawker Area School |
| 2008 | Steve Hall | Mt Gambier High School |
| 2008 | Lauren Michael | Leigh Creek Area School |
| 2007 | John Agnew | Naracoorte High School |
| 2007 | Jenni Wilson | Lake Wangary Primary School |
| 2006 | Robyn Dewar | Saint John’s College, Whyalla |
| 2006 | James Young | Barmera Primary School |
| 2005 | Sarah Pfennig | Karcultaby Area School |