The volumes resulting from the ICMI Studies appear in the New ICMI Studies Series (NISS) published by Springer under the general editorship of the President and the Secretary-General of ICMI. 

Twenty-three studies have been completed.

Two ICMI Studies are currently in process:

1) ICMI Study 24: School Mathematics Curriculum Reforms: Challenges, Changes and Opportunities 

At the end of 2016 the ICMI EC launched the 24th ICMI Study with the topic: "School Mathematics Curriculum Reforms: Challenges and Changes". The study was launched in February 2017 by the co-chairs Renuka Vithal (South Africa) and Yoshinori Shimizu (Japan).

The first IPC meeting was November 13-15th, 2017 in the IMU Secretariat in Berlin. The IPC as well as the ex-officio's participated in the meeting.  

The Discussion Document can be found here. The document includes a call for contributions.

2) ICMI Study 25: Teachers of Mathematics Working and Learning in Collaborative Groups

In November 2018 the ICMI EC announced the launching of a new ICMI Study on Mathematics teachers working and learning in collaborative groups.

The first IPC meeting took place February 11-13th, 2019 in the IMU Secretariat in Berlin. The IPC as well as the ICMI President and ICMI Secretary-General ( ex-officio's and Series Editors) participated in the meeting.

The Discussion Document can be found here. 

More information about the Study can be found here.