TEN-year-old Putri Nadia sat in her classroom along with 20 other fifth-graders at the Muhammadiyah Elementary School at Kecamatan Baiturrahman in Banda Aceh. Concentrating hard, she would write down everything the teacher said to the class, once in a while raising her hand to ask about things she didnt understand.

The children are studying in a temporary school built by UNICEF. The building is made of triplex with a concrete frame. The roof of th