Racial Innocence has been assigned in graduate and undergraduate courses American Studies, Theatre/Performance Studies, African American Studies, and Childhood/Children's Literature Studies. Here are some links to sample syllabi.
American Studies (and related fields)
Meredith A. Bak, "Media and Modern Childhood," Brown University
Holly Jackson, "19th-Century American Literature: Family, Nation, Narrative," University of Massachusetts--Boston
Emily Mattingly, "Age in American Literature and Culture," University of California at Riverside
Lyra D. Monteiro, "Race and Identity in the Early United States," Rutgers University
Theatre and Performance Studies
African American Studies
Childhood Studies and Children's Literature
Kenneth Kidd, "Childhood Studies," University of Florida
Julia Mickenberg, "Childhood Studies," University of Texas at Austin
Philip Nel, "Critical Approaches to Children's Literature," Kansas State University