St. Joan Antida High School (SJA) is a diverse, urban, all-girls Catholic high school located in downtown Milwaukee and sponsored by the Sisters of Charity of St. Joan Antida.In the spirit of Saint Joan Antida Thouret’s passion to educate and empower young women, we prepare our students to lead and serve in a global society through a values-based Catholic education. SJA has an enhanced STEM (Science, Technology, Engineering, Mathematics) focused academic model that is oriented toward academic quality, a culture of excellence, student-centered learning and access to post-secondary education.