Education gives young people the tools they need – from cognitive and social skills to self-confidence – to succeed throughout their lives. Burgeoning youth populations make delivering high-quality education to all particularly urgent. But success will be possible only with a sharp focus on girls and women. Meghan, Duchess of Sussex, speaking in the Pacific islands last October, underscored the added importance of this objective for “women and girls in developing countries.” By Nkandu Luo.