The study was carried out in four European schools (pupils age 9 to13 years old) within four countries (Portugal, Spain, UK and Ireland). The adopted methodology was based in action-research procedures and it included multiple methods and techniques: systematic classroom observation of teachers and pupil work and learning activities; documentary evidence (teachers working sheets, schemes of work) interviews (with selected pupils); questionnaires to all pupils and staff at intervals. This methodology implied the construction and testing of data collection instruments. Data was submitted to a qualitative and quantitative analysis. A summary of the findings is presented in this text.The study was carried out in four European schools (pupils age 9 to13 years old) within four countries (Portugal, Spain, UK and Ireland). The adopted methodology was based in action-research procedures and it included multiple methods and techniques: systematic classroom observation of teachers and pupil work and learning activities; documentary evidence (teachers working sheets, schemes of work) interviews (with selected pupils); questionnaires to all pupils and staff at intervals. This methodology implied the construction and testing of data collection instruments. Data was submitted to a qualitative and quantitative analysis. A summary of the findings is presented in this text