The IEB  seeks to advance quality teaching and learning in South Africa through an assessment process of integrity, innovation and international comparability.  All schools registered with the IEB to write the National Senior Certificate have access to a range of professional development opportunities as well as a variety of assessments, designed to serve a range of purposes.

The IEB produces consistent, reliable results in the Grade 12 National Senior Certificate with an average pass rate between 97% and 98%. Furthermore, the IEB achieves between 78% and 80% pass with entry to degree study.