By Aisha Savelugu, Northern Ghana — At 10:15 a.m., the clanging of metal pots echoes through the dusty courtyard of a rural primary school. It’s lunchtime, and a line of excited children snakes toward the open kitchen. For many of them, the plate of rice and beans they’re about to receive will be their only proper meal of the day. “If there is no food at school, I don’t eat until evening,” says 8-year-old Rahama, holding her tin bowl with both hands. The Ghana School Feeding Programme (GSFP), introduced in 2005, was designed to fight child hunger and boost school enrollment in underserved communities. Twenty years on, its impact is…