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Hello, we are OSC

We are trusted by IB schools and teachers across the world to provide supplementary support for their students. Founded in 1990 by an IB teacher, we are still run by the founder’s daughter, Kim Polgreen, with the same commitment to quality, and to the IB philosophy itself. Our team is passionate about promoting international and community-mindedness through education. This is reflected in our mission statement.

 

Our Mission

 

 

 

 

OSC’s mission is to provide the highest quality educational support for IB students and schools; to support philanthropic educational projects; and to nurture a fulfilling working environment in which everyone is treated with integrity and respect.

 


 

OSC provides a valuable service for IB students. Hundreds of excellent subject matter expert teachers come together to help IB students get the most out of their IB course experience through top-quality revision support.
Jeffrey Beard, Director General, Emeritus, IB

We ensure that we provide the highest quality education support by only working with experienced and specialist IB teachers

Our teachers work for great IB schools during term time. In their holidays, they complement the work done in other IB schools through delivering our IB Revision Courses and Summer Programmes. Some quick facts about our teachers:

  • 200 IB teachers work with OSC
  • 93% are examiners
  • 3000 years of combined teaching experience
  • New teachers go through a stringent recruitment and mentoring process

Read more about our teachers

 

 

 

 

We support IB students through helping them to revise efficiently and effectively with our IB Revision Guides

Whether students are reviewing a topic or preparing for their final exams, OSC offers the largest range of books for core subjects and options. Each guide focuses on the key areas and helps students to achieve their best at exam time by guided by our authors’ years of IB teaching experience and review specialism.

  • 53 titles
  • 500,000+ books sold

 

 


Read more about our books

 

 

 

 

We support IB students by running university fairs in the UK and US

Over 20 leading universities attend our university fairs. They are solely IB focussed and provide students with a unique opportunity to meet university representative who are specifically interested in them as an IB student.  

Our attendance to the OSC Summer Fairs provides us with a fantastic opportunity to meet high achieving prospective IB students.
International Recruitment Office, Imperial College

 


Read more about our University fairs for IB students

 

 

 

We support IB schools through our work with the IB Schools and Colleges Association of the UK and Ireland (IBSCA)

IBSCA is hugely appreciative of the work done for us by OSC. They are key to the organization of the smooth running of the authorised IB workshops. The staff are extremely efficient and any issue or request is responded to very swiftly.
Sandra Morton. Former Chief Executive. IBSCA

 

 


Read more about IBSCA Workshops

 

 

 

We support IB schools by delivering bespoke revision and study skill workshops to their students

ISB was looking to partner with an organisation that had a solid track record in the field of IB teaching. It was important to us that our students would avail of expertise that came from experienced and qualified teachers who had a deep understand of the IB Diploma Programme. OSC ticked all those boxes.
Felim Bolster, Head of High School, International School of Brussels, Belgium 

 

I wanted to email to say thank you for the visit. The feedback from the students was fantastic. The teachers said the form 11s returned from the lunchtime session buzzing with ideas. The evening session was also great. We have never had such a good turnout. The staff who were present were talking about it and commented on how compelling and informative the presentation was.
Claire Marsden, IB Coordinator, Oporto British School, Portugal 

 

Contact us to discuss working together

 

 

 

We are proud to support a selection of philanthropic educational projects

There is no doubt that the time spent by Layla and Helen and the resources you put at our disposal have made me more enthusiastic about my commitment as an IBDP History teacher and Admissions Advisor. I really look forward to doing my utmost best to better impact the present and future needs of my students as a result of this encounter. I strongly feel I am now fit to join the association of IBDP teachers reputed for producing 6s and 7s and making the dream of Enko students, to study in the best universities of the world, come true.
Mendi Georges, History Teacher, Enko Education School in Yaoundé 

 

Read about our project in Cameroon