This report lists the International Baccalaureate (IBD) students who achieved the maximum IBD score of 45/45 in 2015.
| 1 | Deshpande, Akshay | Queensland Academy for Science Mathematics and Technology | Toowong | Highest Achievement in the IB | 45 |
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| 2 | Grant, James | Queensland Academy for Science Mathematics and Technology | Toowong | Highest Achievement in the IB | 45 |
| 3 | Leong, Emma | Queensland Academy for Science Mathematics and Technology | Toowong | Highest Achievement in the IB | 45 |
| 4 | Stevenson, Matilda | Queensland Academy for Science Mathematics and Technology | Toowong | Highest Achievement in the IB | 45 |
| 5 | Sun, Emily | Queensland Academy for Science Mathematics and Technology | Toowong | Highest Achievement in the IB | 45 |