This article explains the essence of the concepts of «multilingualism», «trilingualism», «bilingualism», «monolingualism», «plurilingualism» and their relationship to each other is different. Along with the programs of Kazakhstan Government on the policy of bilingualism, the trinity of languages, for the first time in Kazakhstan, the idea of multilingualism was raised and the chronology of the work done in different years in relation to multilingualism in the country's education system was shown.An expert review of foreign and domestic scientific research on the study of multilingualism was conducted, and issues of improving language literacy at the multicultural Kazakhstan site were discussed.