Afghan girls will be allowed to take their high school graduation exams this week, an official and documents from the Taliban government indicated Tuesday — even though they have been banned from classrooms since the former insurgents took over the country last year. According to two documents from the Taliban ministry of education, obtained by The Associated Press, the decision applies to 31 out of Afghanistan’s 34 provinces where the winter school break starts in late December. Ehsanullah Kitab, head of the Kabul education department, said the exams would take place on Wednesday. He provided…