1. GCSE and IGCSE – different but equal? Neil Defty & Nicola Forster Secondary Systems Programme Managers London, January 2012

2. Comparing GCSE grading with IGCSE grading… Note: not comparing course content - purely looking at how pupils typically perform in GCSEs and IGCSEs, compared to their underlying ability

3. The theory

4. The 2009 analysis

5. But what about the differences in grading between the Exam Boards?

6. Maths analysis by Board

7. But what about the skewed sample? OK, let’s look at Independent schools only…

8. The 2009 analysis again

9. Maths analysis by Board again

10. The future… Increased take-up of IGCSEs should allow us to investigate these differences in more depth – and more importantly be able to provide separate GCSE/IGCSE predictions and Value Added analyses as part of our monitoring systems’ feedback