borko et putnam concerning the impact of teacher education on student outcomes it is possible to subdivide this issue into three subquestions what is the impact of teacher education on student outcomes this empirical study is based on data from statesurveys of policies taken from the schools and staffing survey and the national assessment of educational progress naep it shows evidence that the policies used in the different american states to promote teacher quality especially those regarding teacher education requirement and certification as well as continuing training can be positively related to better student achievements