The article presents a concept stereotype threat which is used from 90's for an explanation why certain groups of students achieve low educational results, mainly in high-stakes situations. If there exists the stereotype assuming that members of some group haven't abilities for a special field, and if this stereotype is emphasized just before the performance, then it results to an achievement's inhibition of person who accounts his/herself as a member of this group.
The concept of stereotype threat is quite unfamiliar in Czech scientific background.