Attempts to promote collaboration among teachers conflict with a long tradition of teacher isolation. Defenders of this isolation often argue that such collaboration should be voluntary. However, because the preponderance of evidence suggests that collaboration is better than isolation, professionalism demands that all teachers be required to…

A case study explored availability of collaboration benefits and the difficulties teachers experienced in attaining them in a traditional comprehensive high school that hosts a career academy and a school-within-a-school. Administrators should encourage teachers' voluntary participation, allow adequate planning time, provide training, and increase…