The 2015 Australian College of Educators (ACE) National Conference theme is "Educators on the Edge: Big Ideas for Change and Innovation." ACE presented an opportunity for all education professionals to gather, discuss, and share cutting-edge, creative and innovative practices, nationally and globally at the conference held on September 24-25, 2015, in Brisbane, Australia. These ACE 2015 National Conference Proceedings include high quality Keynote Addresses, Paper Presentations, Interactive Workshop Session Papers, a Provocation Paper, and the winning Paper from the ACE | ASG Student Educator "Writing the future" National Award. Australian educators were invited to submit an Abstract for either a Paper Presentation, or for an Interactive Workshop Session consistent with the conference theme. Some of these submissions share practices related to the following: (1) Educators adapting to changes and challenges (including technological, economic, and social); (2) Innovative approaches educators "on the edge" are implementing to improve student learning; and (3) Cutting-edge, creative and innovative practices, nationally and globally. Following a welcome address by Stephen Dinham, keynote paper presentations in these proceedings include the following: (1) Regulation or deregulation? Observations on education in Germany and Australia (Stephen Dinham); (2) The worrying implications of privatisation in schooling and of the review of federation (Bob Lingard); (3) Educators "on the edge"--How innovative approaches improve children's learning (Rhonda Livingstone); and (4) Innovative technologies and human rights education (Gillian Triggs). Concurrent papers and interactive workshop presentations include the following: (5) Leveraging cloud-based technologies to enhance personal learning environments (Scott Adamson, Christine Beckmann, and Steve Crapnell); (6) Big ideas for change and innovation: Internationalising programs in an Australian offshore university campus (Robyn Anderson); (7) Conceptualising the challenge of integrating digital technologies in pedagogy (Christopher Blundell, Kar-Tin Lee, and Shaun Nykvist); (8) Big Picture learning: Why this, why now? (Chris Bonnor and Viv White); (9) The performance edge: Optimising wellbeing and achievement (Catherine Brandon); (10) Understanding creativity and innovation: The power of building a professional learning community that supports staff to lead school improvement (Brian Burgess, Peter Hart, and Clare Scollay); (11) Contributive leadership: How can you sustain a collegial culture within your organisation? (Brett Darcy); (12) Leadership on the edge: Big ideas for change and innovation--Exploring the leadership profiles (Margery Evans and Julie Hyde); (13) Pastoral care in times of high stakes testing and accountability (Kate Hall and Judy Smeed); (14) Educators on the edge…Of what? (Rachael Heritage); (15) Innovative approaches to the design of inclusive online learning environments (Denise Wood); and (16) Improving students' outcomes through the use of assessment diagnostics (Alec Young). Individual papers contain references. [For the 2014 proceedings, see ED571027.]