Introduction:
The aim of this paper is to focus on the relationship of cognition, education and proficiency between first (L1) and second language (L2) in bilingual children. It will also evaluate the evidence related to the cognitive development, linguistic proficiency and education in bilingual children and describe this development and proficiency.
It has been acknowledged that learning a second language has a positive effect on intellectual growth. It enriches and enhances a child's mental development; it leaves students with more flexibility in thinking, greater sensitivity to language, and a better ear for listening. It also improves a child's understanding of his/her native language.
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