You start after you are already 6 years old therefore during your 1st year in school you go and make your 7th birthday. Or at least this is how school works in

You start after you are already 6 years old therefore during your 1st year in school you go and make your 7th birthday. Or at least this is how school works in my country. If you are born after the school starts you are not allowed to school - as technically you're still 5 years old.