Bilingualism or Multilingualism Impact on Language Skills of Graduated Students of Iran’s High Schools

Ethnic diversity in Iran results in language variety and it affects education from the first year of school; therefore it is necessary to take heed of this matter and to prevent disturbing bilingual children’s education progress for lack of deficiency in the Persian language. This study has been done to analyze the language skills of bilingual and graduated Persian speakers. Statistical society was the students of twelfth grade and the sample has been chosen with the cluster sample and random multistage method among these cities: Arak, Tabriz, Sari, Sanandaj, Shiraz, Yasouj, and Yazd. The research methodology was based on a survey. Besides descriptive statistics, in the inferential statistics part, the non-parametric tests of Mann-Whitney U and KruskalWallis and the parametric test of t-test and ANOVA were employed. Examining the quantitative and qualitative data proved that the results of evaluating Persian and bilingual graduates were meaningful in reading, writing, listening, and speaking skills and the Persian students functioned in all of the skills better than the bilingual students. These outcomes were exact even with adding gender, major, and comparison between the best score of bilinguals and the weakest score of Persian students. The meaningful differences between all of the skills demonstrated that the efforts made in the formal education years were not efficient enough. Based on language variety in Iran, the recommendation of this paper is a reconsideration of current educational programs, especially with paying attention to preschool and the first-third grades of elementary school.