The gunmen came to the all-girls' elementary school in the Iraqi city of Fallujah at midday with a special delivery: piles of long black robes with gloves and face veils, now required dress code for females in areas ruled by the Islamic State group.
"I used to wear make-up on occasion but I don't anymore," she said, speaking by phone on strict condition of anonymity for fear of reprisals.
The militants have segregated schools and changed the curriculum. In some cases they shut schools down, summoning teachers to take a course in their hard-line version of Islamic Shariah law before reopening them. In many instances in both Iraq and Syria, parents have opted not to send their children to school to avoid IS brainwashing them.
Hospitals have also been segregated. A woman has to be seen by a female doctor, but there are very few women doctors left.
Early marriage is on the rise because parents want to find husbands for their daughters quickly for fear they will be forced to marry Islamic State fighters, according to the UN
"The psychological and physical harm caused by ISIS's treatment of women, the onerous instructions imposed on their dress code, and restrictions on their freedom of movement demonstrate discriminatory treatment on the basis of gender," a United Nations panel investigating war crimes in the Syrian conflict said last month.
It said the killings and acts of sexual violence perpetrated by IS constitute crimes against humanity.
While the Islamic State group imposes its extremist vision of Islamic law on Sunni Muslim women under its rule, it went further when it overran the Iraqi villages of the Yazidi minority in early August. The extremists consider followers of the Yazidi faith as infidels — and thus permissible to enslave.
Amnesty International interviewed more than 40 former captives who escaped the militants and described being abducted, raped and being "sold" or given as "gifts" to Islamic State fighters or supporters.
One girl told how a 19-year-old among them named Jilan committed suicide, fearing rape.
In the bathroom, "she cut her wrists and hanged herself. She was very beautiful," the girl quoted in the report said. "I think she knew she was going to be taken away by a man."