Is not wearing the niqab considered haraam when going to school in a country that prohibits it? And how can younger siblings be encouraged to pray and obey their parents? And is it permissible for a mother and her daughter to ride alone with a foreign driver?

The veiling of a woman's face is a matter of disagreement among scholars. This website issues a fatwa stating its obligation. However, for a necessity, it is permissible to take the concession of those who permit uncovering the face, as long as following concessions does not become a habit. Therefore, there is no harm in uncovering the face while adhering to the other conditions of hijab, until it becomes easy to cover it.