AIMSSEC is an initiative of the African Institute for Mathematical Sciences (AIMS), a centre for education and research based in Muizenberg, Cape Town. Established in 2003 as a partnership project with Cambridge, Cape Town, Oxford, Paris Sud XI, Stellenbosch, and Western Cape Universities, AIMS promotes mathematics and science in Africa, recruits and trains talented students and teachers and works to build capacity for African initiatives in education, research, and technology. The African Institute for Mathematical Sciences Schools Enrichment Centre (AIMSSEC) is a schools mathematics enrichment programme. AIMSSEC was recently selected as one of just three projects nominated from 33 countries for the UNESCO-HAMDAN prize for Outstanding Practice and Performance in Enhancing the Effectiveness of Teachers.