The document discusses the concept and importance of Mother Tongue-Based Multilingual Education (MTB-MLE) as a means to enhance educational quality and cultural responsiveness. It outlines key principles by UNESCO, emphasizing the use of the mother tongue in classrooms to support cognitive development, improve literacy, and foster cultural preservation. MTB-MLE aims to produce multi-literate, multilingual, and multicultural learners, addressing issues such as high functional illiteracy and the educational disadvantages faced by children not instructed in their native languages.