So far 24 ICMI Studies have been completed and published up till now. ICMI Study 25 will be published in 2023/2024.

1. The Influence of Computers and Informatics on Mathematics and its Teaching.
   Co-chairs of the International Programme Committee:  Geoffrey Howson (UK) and Jean-Pierre Kahane (France).
   Study Conference held in Strasbourg, France, March 1985.
   The Proceedings of the Conference are accessible here.
   The Study Volume published by Cambridge University Press, 1986, eds: R.F. Churchhouse et al. is accessible here.
   Second edition published by UNESCO, 1992, eds: Bernard Cornu and Anthony Ralston. (Science and Technology Education No. 44)
    
2. School Mathematics in the 1990s.
   No general Study Conference. (Study Volume prepared by the editors following a closed international seminar held in Kuwait in February 1986.)
   The Study Volume published by Cambridge University Press, 1986, eds: Geoffrey Howson and Bryan Wilson is accessible here.
    
3. Mathematics as a Service Subject.
   Co-chairs of the International Programme Committee:  Geoffrey Howson (UK) and Jean-Pierre Kahane (France).
   Study Conference held in Udine, Italy, April 1987. 
   The Study Volume published by Cambridge University Press, 1988, eds: Geoffrey Howson, Jean-Pierre Kahane, Pierre Lauginie and Elisabeth de Turckheim is accessible here.
   Volume of Selected Papers published by Springer-Verlag, 1988: Selected Papers on the Teaching of Mathematics as a Service Subject, eds: Richard R. Clements, Pierre Lauginie and Elisabeth de Turckheim. (CISM Courses and Lectures No. 305)
    
4. Mathematics and Cognition.
   No general Study Conference. (Study Volume prepared under the responsibility of PME.)
   The Study Volume published by Cambridge University Press, 1990, eds: Pearla Nesher and Jeremy Kilpatrick is accessible here.
    
5. The Popularization of Mathematics.
   Co-chairs of the International Programme Committee:  Geoffrey Howson (UK) and Jean-Pierre Kahane (France). Study Conference held in Leeds, UK, September 1989.The Study Conference held in Leeds, UK, September 1989. Proceedings accessible here.
   The Study Volume published by Cambridge University Press, 1990, eds: Geoffrey Howson and Jean-Pierre Kahane is accessible here.
    
6. Assessment in Mathematics Education.
   Chair of the International Programme Committee:  Mogens Niss (Denmark). Study Conference held in Calonge, Spain, April 1991.
   Two Study Volumes published by Kluwer Academic Publishers, 1993:
   Cases of Assessment in Mathematics Education, ed: Mogens Niss. New ICMI Study Series 1;
   and 
   Investigations into Assessment in Mathematics Education, ed: Mogens Niss. New ICMI Study Series 2
    
7. Gender and Mathematics Education.
   Chair of the International Programme Committee:  Gila Hanna (Canada).
   Study Conference held in Höör, Sweden, October 1993.
   Proceedings of the Study Conference published by Lund University Press, 1995, eds: Barbro Grevholm and Gila Hanna
   Study Volume published by Kluwer Academic Publishers, 1996: Towards Gender Equity in Mathematics Education, ed: Gila Hanna. 
   New ICMI Study Series 3
    
8. What is Research in Mathematics Education and What are its Results?
   Co-chairs of the International Programme Committee:  Jeremy Kilpatrick (USA) and Anna Sierpinska (Canada).
   Study Conference held in College Park, USA, May 1994.
   Study Volume (two books) published by Kluwer Academic Publishers, 1998: 
   Mathematics Education as a Research Domain: A Search for Identity, eds: Anna Sierpinska and Jeremy Kilpatrick.
   New ICMI Study Series 4
    
9. Perspectives on the Teaching of Geometry for the 21st Century.
   Chair of the International Programme Committee:  Vinicio Villani (Italy).
   Study Conference held in Catania, Italy, September 1995.
   Study Volume published by Kluwer Academic Publishers, 1998: Perspectives on the Teaching of Geometry for the 21st Century: An ICMI Study, eds: Carmelo Mammana and Vinicio Villani.
   New ICMI Study Series 5
    
10. The Role of the History of Mathematics in the Teaching and Learning of Mathematics.
    Co-chairs of the International Programme Committee: John Fauvel (UK) and Jan van Maanen (Netherlands).
    Study Conference held in Luminy, France, April 1998.
    Study Volume published by Kluwer Academic Publishers, 2000: History in Mathematics Education: The ICMI Study, eds: John Fauvel and Jan van Maanen.
    New ICMI Study Series 6
     
11. The Teaching and Learning of Mathematics at University Level.
    Chair of the International Programme Committee:  Derek Holton (New Zealand).
    Study Conference held in Singapore, December 1998. 
    Study Volume published by Kluwer Academic Publishers, 2002: The Teaching and Learning of Mathematics at University Level: An ICMI Study, ed: Derek Holton. 
    New ICMI Study Series 7
    Selected papers presented at the Study Conference published as a special issue of the International Journal for Mathematical Education in Science and Technology Vol. 31, No. 1 (January-February 2000) pp. 1-160
     
12. The Future of the Teaching and Learning of Algebra.
    Chair of the International Programme Committee: Kaye Stacey (Australia).
    Study Conference held in Melbourne, Australia, December 2001.
    Study Volume published by Kluwer Academic Publishers, 2004: The Future of the Teaching and Learning of Algebra: The 12th ICMI Study, eds: Kaye Stacey, Helen Chick and Margaret Kendal.
    New ICMI Study Series 8
     
13. Mathematics Education in Different Cultural Traditions: A Comparative Study of East Asia and the West.
    Co-chairs of the International Programme Committee: Klaus-D. Graf (Germany) and Frederick K.S. Leung (Hong Kong).
    Study Conference held in Hong Kong, SAR China, October 2002.
    Study Volume published by Springer, 2006: Mathematics Education in Different Cultural Traditions - A Comparative Study of East Asia and the West: The 13th ICMI Study, eds: Frederick K.S. Leung, Klaus-D. Graf and Francis J. Lopez-Real.
    New ICMI Study Series 9
     
14. Applications and Modelling in Mathematics Education.
    Chair of the International Programme Committee: Werner Blum (Germany).
    Study Conference held in Dortmund, Germany, February 2004.
    Study Volume published by Springer, 2007: Modelling and Applications in Mathematics Education: The 14th ICMI Study, eds: Werner Blum, Peter L. Galbraith, Hans-Wolfgang Henn and Mogens Niss.
    New ICMI Study Series 10
     
15. The Professional Education and Development of Teachers of Mathematics.
    Co-chairs of the International Programme Committee: Ruhama Even (Israel) and Deborah Loewenberg Ball (USA).
    Study Conference held in Aguas de Lindóia, Brazil, May 2005.
    Study Volume published by Springer, 2009:  The Professional Education and Development of Teachers of Mathematics: The 15th ICMI Study, eds:  Ruhama Even and Deborah Loewenberg Ball.
    New ICMI Study Series 11
    Discussion document: Click here.
    Proceedings of ICMI Study Conference: click here.

16. Challenging Mathematics in and Beyond the Classroom.
    Co-chairs of the International Programme Committee: Edward J. Barbeau (Canada) and Peter J. Taylor (Australia).
    Study Conference held in Trondheim, Norway, June 2006.
    Study Volume published by Springer, 2009:  Challenging Mathematics In and Beyond the Classroom: The 16th ICMI Study, eds:  Edward J. Barbeau and Peter J. Taylor.
    New ICMI Study Series 12
    Discussion document: click here.
    Proceedings of ICMI Study Conference: click here.

17. Digital Technologies and Mathematics Teaching and Learning: Rethinking the Terrain.
    Co-chairs of the International Programme Committee: Celia Hoyles (UK) and Jean-Baptiste Lagrange (France).
    Study Conference held in Hanoi, Vietnam, December 2006.
    Study Volume published by Springer, 2010: Mathematics Education and Technology-Rethinking the Terrain. Hoyles, Celia; Lagrange, Jean-Baptiste (Eds.)
    New ICMI Study Series 13
    Discussion document: click here.
    Proceedings of ICMI Study Conference: click here.
     
18. Statistics Education in School Mathematics: Challenges for Teaching and Teacher Education.
    Chair of the International Programme Committee: Carmen Batanero (Spain).
    Study organised jointly by ICMI and the International Association for Statistical Education (IASE). 
    Study Conference held in Monterrey, México, July 2008.
    Study Volume published by Springer in 2011: Teaching Statistics in School Mathematics-Challenges for Teaching and Teacher Education. A Joint ICMI/IASE Study: Batanero, Carmen; Burrill, Gail; Reading, Chris (Eds.)
    New ICMI Study Series 14
    Discussion Document: click here.
    Proceedings of ICMI Study Conference: click here.
    Executive Summary: click here.
     
19. Proof and Proving in Mathematics Education
    Co-chairs of the International Programme Committee: Gila Hanna, University of Toronto, Canada, and Michael de Villiers, University of KwaZulu-Natal, South Africa.
    Study Conference held on May 10-15, 2009 in Taipei, Taiwan.
    Study Volume published by Springer, 2012: Proof and Proving in Mathematics Education. Hanna, Gila; de Villiers, Michael (Eds.)
    In Open Access New ICMI Study Series 15
    Discussion Document: click here.
     
20. Educational Interfaces between Mathematics and Industry (EIMI)
    This Study is a joint project with the International Council for Industrial and Applied Mathematics (ICIAM). 
    Co-chairs of the International Programme Committee:  Alain Damlamian (Université Paris XII, France) and Rudolf Sträßer (Justus-Liebig-Universitaet Giessen, Germany). 
    José Francisco Rodrigues (Universidade de Lisboa, Portugal) was the organiser of the Study Conference which was held on October 11-15, 2010 in Lisbon, Portugal.
    Study Volume published by Springer, 2013: Educational Interfaces between Mathematics and Industry, Report on an ICMI-ICIAM-Study.  Damlamian, Alain, Rodrigues, Jose Francisco, Sträßer, Rudolf (Eds.)
    New ICMI Study Series 16
    Discussion Document click here: Study website
    Proceedings of ICMI Study Conference Click here 
     
21. Mathematics Education and Language Diversity
    Editors: Barwell, R., Clarkson, P., Halai, A., Kazima, M., Moschkovich, J., Planas, N., Phakeng, M., Valero, P., Villavicencio, M. 
    The study conference took place in Águas de Lindóia, São Paulo, Brasil, September 16-20, 2011.
    See website: www.study-21-conf.fe.usp.br/index.php/home
    Study Volume published by Springer, 2016: Mathematics education and language diversity. Barwell, R., Clarkson, P., Halai, A., Kazima, M., Moschkovich, J., Planas, N., Phakeng, M., Valero, P., Villavicencio, M. (Eds.)
    In Open Access: New ICMI Study Series 17
    Discussion Document: (to be added)
    Proceedings of ICMI Study Conference: (to be added)
     
22. Task Design 
    Co-Chairs of the International Programme Committee: Anne Watson (UK) and Minoru Ohtani (Japan)
    The Study Conference was held July 22nd to July 26th 2013 at the Department of Education, University of Oxford, UK.
    Proceedings of the Conference: http://hal.archives-ouvertes.fr/hal-00834054
    Plenary talks and plenary panel presentations of the Study Conference of ICMI Study 22 can be found here.
    Study Volume published by Springer, 2015: Task Design in Mathematics Education. Watson Ann and Ohtani Minoru (Eds.).
    in open Access New ICMI Study Series 18
    Discussion Document: (to be added)

23. ICMI Study 23: Building the foundation: Whole Numbers in the Primary Grades
    Co-chairs of the International Programme Committee: Mariolina Bartolini (Italy) and Sun Xuhua (China).
    The Study Conference was held at the University of Macau, Macau SAR, China, from June 3 to 7, 2015.
    Proceedings of the Conference: www.umac.mo/fed/ICMI23/proceedings.html
    Study Volume published by Springer, 2018: Building the Foundation: Whole Numbers in the Primary Grades. Maiolina Bartomini and Sun Xuhua (Eds.).
    In Open Access: New ICMI Study Series 19
    Study Volume translated into Chinese is available open access: click here.
    ICMI Study 23 website:http://www.umac.mo/fed/ICMI23/paper.html 
    Discussion document: click here
    CONTEXT FORM: click here

24. ICMI Study 24: School Mathematics Curriculum Reforms: Challenges, Changes and Opportunities
    Co-chairs of the International Programme Committee: Renuka Vithal (South Africa) and Yoshinori Shimizu (Japan).
    The Study Conference held in Tsukuba (Japan) on November 25-30, 2018.
    Website of the conference: https://www.human.tsukuba.ac.jp/~icmi24/ 
    Proceedings of ICMI Study Conference: click here
    Study Volume published by Springer, 2023: Mathematics Curriculum Reforms Around the World. Renuka Vithal and Yoshinori Shimizu (Eds.).
    In Open Access: New ICMI Study Series 20
    Discussion Document: click here.

25. ICMI Study 25: Teachers of Mathematics Working and Learning in Collaborative Group
    Co-chairs of the International Programme Committee: Hilda Borko (U.S.A.) and Despina Potari (Greece)
    The Study Conference was held at Instituto de Educação, Universidade de Lisboa (Portugal) on February 3-7, 2020.
    See http://icmistudy25.ie.ulisboa.pt/ for the website of the conference.
    The Conference proceedings can be downloaded here.
    Study Volume published by Springer, 2024: Teachers of Mathematics Working and Learning in Collaborative Group. Hilda Borko and Despina Potari (Eds.). In Open Access : New ICMI Study Series 21
    The Discussion Document can be found here.