Contemporary system of education becomes more and more dynamic, meets the requirements of transforming reality and responds to demands of the new technics and strategies of development and management. Evaluation is one of such strategies that also changes its functions and undertakes challenges of contemporary system of education (There are four generations of evaluation). Evaluation as a strategy of applied research is something more than measurement of organizational efficiency, it is reflective cognition of social values by responsive character of the evaluation process. That is a model of developmental evaluation that facilitates discussion about how to evaluate the schools experience, transformations and challenges.Współczesny system e...