Randa's Kefiyeh - headdress
I just now viewed this movie on TV.
There is a lot of discussion about whether or not Mr. Anderson did molest any of his students. I am thinking that, at least in the case of Randa, he did.
Before he closes the blinds of his office, he does touch her around the area of her headdress. My feeling is the obvious one - he wants to see her without it. During her testimony, she answers 'both' with assurance and without hesitation.
But most importantly, when she commits suicide, it is not only in the same location, but she removes her headdress, as she surely had to do for her teacher.