this review formed the basis for a six year quantitative and qualitative research study by louis et al this amounted to survey data from a total of teachers and school administrators interview data from teachers and administrators district level informants and state personnel and observational data from classrooms it included surveys completed by headteachers and a range of other stakeholders case studies of primary and secondary schools and a literature review the selfevaluation process aimed to increase student learning through the use of student assessment and clear learning goals and relied on the same tool in both schools