Given the rigorous nature of the IB curriculum, it is likely not appropriate for all students.  What types of students are most likely to benefit most from an IB education?

How could (or should?) the IB curriculum be expanded to be more accessible to a wider range of students?  Should additional foreign language support options (Chinese, Arabic, etc.) be added?

http://www.relocatemagazine.com/education/education-articles-main/70-is-the-ib-the-best-option