Graphs about Us (GaU) is an activity for building classroom community within mathematics classrooms. Through the creation and analysis of graphical representations of data about the students' lives in and out of school, this activity aims to allow each student to feel seen and validated in the class, create shared knowledge of students' experiences, and to identify and challenge dominant narratives that may be unproductive for learning mathematics. By situating this activity within a mathematical context, GaU promotes students' learning about each other and about mathematics. This article describes three phases of the GaU activity, connects the activity with these goals for building classroom community, and discusses challenges that have arisen when using GaU with students.