André grew up the only child of a single mother.[4] Her mother sang high coloratura soprano and studied operatic singing at the Juilliard School.[5][6] She received her B.A. from Barnard College in 1989.[5] She was the first black woman to earn a Ph.D. from Harvard University’s department of music in 1996.[5]
In 2020, André was named the inaugural scholar-in-residence of the Seattle Opera, where she acts as an adviser to help the opera company become more inclusive, both for contemporary audiences and behind the scenes, such as improving racial and gender representation in the company's internal operations.[2] In 2022, she was also named the inaugural scholar-in-residence of the Des Moines Metro Opera for the 2022 festival season.[8][9]