Educational attainment is an important social determinant of maternal, newborn, and child health¹,²,³. As a tool for promoting gender equity, it has gained increasing traction in popular media, international aid strategies, and global agenda-setting⁴,⁵,⁶. The global health agenda is increasingly focused on evidence of precision public health, which illustrates the subnational distribution of disease and illness⁷,⁸; however, an agenda focused on future equity must integrate comparable evidence on the distribution of social determinants of health⁹,⁰,¹¹. Here we expand on the available precision SDG evidence by estimating the subnational distribution of educational attainment, including the proportions of individuals who have completed key lev...