Performance assessment ? Theoretical analysis, alternative methods and instruments in context of business schoolsDifferent learning contents and continuously changing teaching and learning methods go hand in hand with modified and ambitious assessment draughts. The attempt of the implementation of new school, teaching and learning cultures demand a new approach of performance assessment. The concept of performance assessment is often equated or mistaken with its performance rating. Nevertheless, the assessment of the students? achievement should not only take place for the purpose of efficiency rating. Hence, the aim of this master thesis is to discuss what encloses the performance assessment which alternative methods and instruments come in this connection to use. In the second chapter performance assessment is described and a distinction is carried out to the performance measurement as well as for the performance rating. Within the scope different legal regulations are to be presented. Furthermore, the juridical basic conditions with essential extracts of legal texts are explained in chapter three. Chapter four applies itself to the bases of the performance assessment. The functions of the students? assessment are discussed and the different relation norms are exemplified ? these refer to the comparison of the measured achievement with a standard procedure. The following work discloses what changes educational standards and draw conclusions for the performance assessment with themselves. However, the last chapter is providing alternative assessment procedure which has been already announced at the beginning. Five different methods and instruments are stated for the performance assessment. These are explained extensively, the functions are stated and instructions are given for the practical work as well as examples of the application in business lessons.