Practitioner research should be sufficiently trustworthy "and" useful. We argue, however, that although criteria of trustworthiness are rather well developed, criteria of usefulness are not. As a result, the long-term impact of practitioner research is rather disappointing because, we contend, it tends to lack practicality. We used…

School discipline addresses schoolwide, classroom, and individual student needs through broad prevention, targeted intervention, and development of self-discipline. Schools often respond to disruptive students with exclusionary and punitive approaches that have limited value. This article surveys three approaches to improving school discipline…