Tutoring and its influence to quality of education is rather topical subject for the educational system. This is the main topic of this master thesis. The aim of this research is to determine amount of additional occupation in an incidentally chosen schools in Siauliai. It was also interesting to discover what is pupil’s opinion about the services provided by tutors and their quality of education. There were arranged a set of tasks: to rate the amount of pupils who attended additional occupation, to determine the variety of tutoring forms and their distribution, to settle the efficiency and availability of tutoring and its influence on quality of education. There were used various methods of analysis, such as theoretical analysis and generalization, form questioning and mathematical statistics. A. Markeviciute’s questionnaire was applied for usage. 336 pupils from Siauliai schools were present in the research. All the received questioning data were processed with computer software SPSS 11.0. Obtained data shows that tutoring is very popular in Siauliai district schools. Almost about 33% of pupils are taking tutor services. On the basis of this research it is possible to state that “shadow education” is one of the quality of education indicators.