My compulsory year long youth service was in one of the most insecure states in northwestern Nigeria. This state is also one of the hotspots for out-of-school children in Nigeria. Even the children in schools can't boast of a sound education. Why? Many reasons. But I'll share one.Some schools have not had teachers for core subjects in years. This problem isn't exclusive to the state, or Nigeria. The educational sector in sub-Saharan Africa needs a complete makeover. Improvements in the learning conditions for students and working conditions for teachers must be prioritized. In one of our stories this week, our writer, Oluwatosin Ogunjuyigbe talks about how ed-tech can cause a major disruption in Africa’s education sector. "History shows that Africa’s strength came through informal learning, and technology can help to redeem that strength," he said.Adekunle AgbetiloyeStaff Writer, Ventures Africa