This article also puts the number of injured at 700, 350 of whom are still in hospital.
Thanks to Chris Samuel for his information. It tends at first glance to suggest a wipe-and-reinstall of all Islamic higher education centres, which seems a bit drastic. Yet I know a fair few practitioners of Islam who are not at all violently inclined, so perhaps a well-defined minority of such institutes can be selected. Real life, however, is seldom so simple.