Since the mid-70's, four permanent so-called Study Groups, each devoting its attention to a specific field of interest and study, have obtained affiliation to ICMI. The current Affiliated Study Groups, with their year of affiliation to ICMI, are
The Affiliated Study Groups are neither appointed by ICMI nor operating on behalf or under the control of ICMI. In other words, they work independently of ICMI, also in terms of finances, but they produce quadrennial reports to be presented to the General Assemblies of ICMI, held during the International Congresses on Mathematical Education. In addition to meeting in connection with the ICMEs, each of the Affiliated Study Groups holds separate meetings on a more or less regular basis.