Abstract
This project considers a question implementing trilingual system in secondary school in Kazakhstan. There is background information how historical and political situation have effected to language situation in the Kazakhstan, before and after independence. The special attention has been posted on the features and problems of the implementing of a trilingual system in secondary school in Kazakhstan. Several problems were highlighted such as insufficient well-educated teachers and methodological and teaching materials, a low level of English knowledge of pupils and inadequate English environment which is obstacle to implementing trilingual system. Hence, there were given some possible solutions and implications of these challenges. This paper have also studied and analysed international experience where also implemented bilingual system.