An intact second-grade class of 13 African-American students had completed few chapter-book reading assignments. A consultant worked with their teacher to develop an intervention that consisted of paired readings and two interdependent group contingencies. Following the implementation of the program, all students began reading chapter-books and the number of chapter-book quizzes passed increased from an average of less than 0.70 per week during baseline to 7.5 per week during the intervention phase. Discussion focuses on using interdependent group contingencies when targeting academic performance.