This diploma work completely deals with problems of the evaluation by a teacher. In the introductory part there are described specifics of the school evaluation, its importance and sense. There is also mentioned a survey of many types, functions of the evaluation and methods, which are mostly being used for the pupils{\crq} evaluation at school. It also discusses an influence of the evaluation on the pupil. It summarizes principles and processes of the pupils{\crq} evaluation, which are established and obligatory for schools in the Czech Republic. It analyzes the problems of basic forms of the evaluation, which are mostly being used at our schools; those are the word evaluation and the classification by marks; and it also describes the port...