Tabla de Contenidos: “…Foreword: Frederick Leung -- International Program Committee -- Part I: Introduction to ICMI Study 24: 1: School Mathematics Curriculum Reforms: Widespread Practice but Under-researched in Mathematics Education: Yoshinori Shimizu and Renuka Vithal -- 2: School Mathematics: A Bipolar Subject: Jeremy Kilpatrick -- Part II: Theme A - Learning from the Past: Driving Forces and Barriers Shaping Mathematics Curriculum Reforms: 3: Introduction: Marianna Bosch and Niamh O’Meara -- 4: International Co-operation and Influential Reforms: Katalin Gosztonyi, Marja van den Heuvel-Panhuizen, Naomichi Makinae, Shizumi Shimizu and Marc van Zanten -- 5: Learning from the Past: Case Studies of Past ‘Local’ Curriculum Reforms: Niamh O’Meara and Jasmina Milinkovic -- 6: The Role of Values and Culture in Past Mathematics Curriculum Reforms: Maria Bartolini Bussi, Jasmina Milinkovic and Zahra Gooya -- 7: Curriculum Reforms and the Construction of the Knowledge to be Taught: Marianna Bosch, Thu-Huong Vu-Nhu and Dyana Wijayanti -- 8: Conclusion: Final Considerations: Driving Forces and Barriers Affecting Curriculum Reforms: Marianna Bosch and Niamh O’Meara -- Part III: Theme B – Analysing School Mathematics Curriculum Reforms for Coherence and Relevance: 9: Introduction: Will Morony -- 10: Coherence in a Range of Mathematics Curriculum Reforms: Will Morony -- 11: Coherence and Relevance Relating to Mathematics and Other Disciplines: Simon Modeste, Joaquín Giménez, José Luis Lupiáñez, Jaime Carvalho e Silva and Nga Nguyen Thi -- 12: Coherence and Relevance of Materials and Technologies to Support Mathematics Curriculum Reforms: Jennie Golding -- 13: What Theories and Methodologies Are Appropriate for Studying Phenomena Related to Mathematics Curriculum Reforms?…”