This is one of the most interesting reasons given for low school test performance that I have seen: human-elephant conflict. I have no doubt that the problem is real on some level, although it seems like it could also be a convenient scapegoat for much more mundane problems like inadequate budgets, students with inadequate resources, etc.
allAfrica.com: Kenya: Taita Taveta Leaders Decry Human-Wildlife Conflict
allAfrica.com: Kenya: Taita Taveta Leaders Decry Human-Wildlife Conflict