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For 25 years we have been helping students get the grades they need to get the university or college place they deserve.
Check out our Revision Centre to access a range of free resources developed to help you on your IB journey - including expertly written articles and hundreds of free maths videos closely aligned to the IB syllabus.
Scroll down to read more about our world-leading IB Revision Courses, Pre IB and Mid IB Summer Schools, Revision Guides and Smartbacc - the latest in online IB Revision.
Make your summer count by living and learning in an inspiring city. Our Pre IB Summer Schools fully prepare students for the IB Diploma Programme, whilst the energetic social programme ensures students have a summer to remember.
Your second IBDP year is crucial in securing the required grades to get into your dream college or university.
Our Mid IB Summer Courses help students avoid a 'summer dip' - giving a real boost to their grades.
Revising alone is tough; prepare for your exams with the experts in exam preparation. Our world class service has helped thousands of IB students achieve their goals since 1990.
97% of OSC students feel more confident about going in to their final exams.
OSC's popular, highly-acclaimed series of IB Revision Guides help thousands of students with their revision. The authors, who are IB Teachers, Examiners and Workshop Leaders, know the intricacies of the IB exams.