Everyone at school is a learner. To achieve continuous improvement, every professional has the responsibility to engage as a committed learner, willing to acknowledge and explore what he or she doesn’t understand. The three critical concepts in the Learning Designs standard spell out the needs and responsibilities of adult learners, and the articles in this issue of JSD help to develop deeper understandings of these concepts. Myths about technology-supported professional learning. By Joellen Killion and Barbara Treacy As new technologies emerge to increase affordability, access, and appropriateness of professional learning, three commonly held myths are visible in current practices related to online learning. Each has significant implications for how state or provincial agencies, school systems, or schools support professional learning and how individual educators experience