Some parents and caregivers, frustrated by low academic performance of their local school, emphasis on testing, or the content of the curriculum, have worked independently or formed parent groups to speak out and demand improvements. Parents and families enact solutions such as opting out of tests, developing alternative curricula, invoking parent trigger laws, and withdrawing their children from public schools. When engaged well, these outcries of family dissent can be used to improve public schools and to keep them truly public. In this article, I define good dissent and show how it keeps schools healthy. I examine the actions, publications, and web sites of major parent organizations and individual parents to argue that some parents are demonstrating good and admirable dissent that can help improve school quality, parent satisfaction with schools, and student experiences in them; others not only fail to employ good dissent, but may actually be hurting the viability of our public schools and the type of graduate they produce.