Facing different issues of social justice happening in students’ daily lives, art educators have been exploring how to integrate these issues of social justice into art classes. To guide students to discuss various social justice issues, art educators have introduced different theories in social justice art education. The main purpose of this article was to explore art teachers’ perspectives regarding issues of social justice discussed in class, naming what are the challenges and rewards of elementary school and secondary school art teachers after bearing issues of social justice to art education in schools. At the beginning of this article, I reviewed several key concepts of art education on social justice. I then described and analyzed art teachers’ perspectives of art education on issues of social justice. This article could provide several insights regarding planning and implementing education on social issues of social justice in art education at K-12 schools.