xigasho: www.al-fanarmedia.org

HARGEISA, Somaliland—Around the world, teachers discourage their pupils from using their cellphones in class, fearing that the devices distract from students’ education.

But in Africa, phones are playing a vital role in expanding access to education.

It’s happening in Uganda, where around 150,000 parents and others use a free mobile-messaging tool to report on whether textbooks and other materials have been delivered to schools as promised.