AdvertisementBorders – territorial, political, economic, and ideological – are processes of social division. They monitor and exclude and are typically regulated, patrolled, maintained, and defended by an array of power regimes, but borderlands are also sites of movement, agency, and resistance. We draw on Thomas Nail’s and Gloria Anzaldúa’s theories about borders to elaborate on processes of social division around gender and sexuality in mathematics education. The goal in this chapter is to recognize and challenge salient borders around gender, sexuality, and other identity...…AdvertisementBorders – territorial, political, economic, and ideological – are processes of social division. They monitor and exclude and are typically regulated, patrolled, maintained, and defended by an array of power regimes, but borderlands are also sites of movement, agency, and resistance. We draw on Thomas Nail’s and Gloria Anzaldúa’s theories about borders to elaborate on processes of social division around gender and sexuality in mathematics education. The goal in this chapter is to recognize and challenge salient borders around gender, sexuality, and other identity...WW…