2015 sees OSC celebrate its 25th Anniversary and in April we celebrated with a birthday party. It was a great occasion where we saw friends, colleagues and partners of OSC who have been involved with the company from 1990 until present.

IMG_3507

Since 1990 we have helped thousands of IB students to succeed in the IB Diploma Programme, and reached even more of the IB community through our high-quality products and services. Here are just a few impressive statistics that tells our 25 year story:

  • 30,000 IB students have attended an OSC course since 1990
  • 300+ IB teachers have taught for OSC since 1990
  • Students attend from an average of 450 IB schools each year
  • Students represent up to 90 nationalities each year
  • Over 70 Revision Guide titles published, online and in print
  • 1100+ IB schools visited as part of our School Visit Programme