Single-sex schooling “looks like a quick fix for low-income kids, but it’s all junk,” said Diane Halpern, Dean of Social Sciences at Minerva Schools at Keck Graduate Institute and former president of the American Psychological Association, as well as the lead author of the 2011 study. “Data simply doesn’t support that this is a superior way to teach. Instead it says that boys and girls are fundamentally different based on gender stereotypes.”