talking about school, when i was a private tutor,i had one student who can speak mandarin only, his mom send him to an international school and enter kindergarten A class, he never learn english at all so do his mom, at the end of the year he fail on almost subject and couldnt proceed to kindergarten B class,
his mom came to me and ask me why he perform really bad. I talked to his mom about the language problem he had, he came to me during term break before 2nd semester exam even it's too late to change his mark, at least he can perform better than last semester.. but still his mom didnt happy