This thesis is analysing in what way are auxiliary historical sciences used in primary and secondary schools, through the analise of textbooks approved by Ministry of Science and Education of the Republic of Croatia for 2014/2015 school year. This thesis, at the beginning, gives a short overview about auxiliary historical sciences. Elaborated auxiliary historical sciences are those that belong to the study of auxiliary historical sciences and are used in schoolbooks: numismatics, heraldry, paleography, epigraphy, vexillology, sphragistics, diplomatics (study of documents) and chronology. Others (except for their mention) are excluded from this thesis, since they wouldn't have any function for this work. First part of this thesis is based on qualitative and quantitative analysis of textbooks, in order to gain insight in ways of using auxiliary historical sciences within the textbooks. By looking into their quantity, purpose and form in which they are used, and by giving some case studies how they are used, we will get a figure which students get after reading in textbooks about them. Also we will see current position of auxiliary historical sciences in educational process. Second part of this thesis is working on ways of involving auxiliary historical sciences, even more in the teaching process, and what would, the students benefits from them, be.