The school aims
    Improving achievement of PLAS (not 
    borderline D/C)
    Altruism & social justice
    Political pressure
  Role of all-attainment 
  groupings
     Research-informed
     Equity
     Timetable constraints
     All schools in year 7, one in year 8, none 
     in year 9 - BUT
     ... this study is not about ‘mixed-ability’ 
     teaching
  How do departments work 
  when making change?
     Data:
      observations and videos of lessons
      interviews with teachers
      fieldnotes of meetings
      audiotapes of meetings between three 
      heads of department
      interviews with sample of PLAs
      internal and external test scripts and results
  Complex qualitative 
  data
    Activity theory – systems with shared 
     object (intended outcome) of activity, 
     identifiable community and common tools 
      
    How the community operates : division of 
     labour and rules
      Interacting activity 
      systems
                   Tools                                        Tools
       Subject                           Object                         Subject
        Rules             Labour                       Labour             Rules
               Community                                      Community
                 Classroom                                    Maths department