At Mestralia Education Services, we are dedicated to your professional development. If after completing the course and all related tasks, you feel that it has not helped you make the progress you expected, please contact us directly. We will provide individualised support to help address your concerns. If, following this additional guidance, you do not feel more confident in your understanding of the core IB principles, we will issue a full refund. This guarantee reflects our confidence in the quality and effectiveness of our programmes.