Introduction -- Grand Challenge Problems.- People Centered Smart "Cities" through Smart City Learning.- Adaptive group awareness for social regulation of emotions in computer-supported collaborative learning.-Empowering science teachers using technology-enhanced scaffolding to improve inquiry learning -- Supporting Teacher Decision-Making Through Appropriate Feedback -- Bringing the Information and Communication Society to Vocational Education and Training.- Technology to Bridge the Gap between Learning Contexts in Vocational Training -- Towards Adaptive and Adaptable Learning in Massive Online Courses -- Interactive Learning Analytics: From accountability to ‘opportunity management’ in a multi-actor perspective.- How can TEL contribute to challenging educational inequalities and enhancing the social and educational participation of disenfranchised 18-24 year olds? -- Agile and productive networking of TEL SMLs.- Empowering Teachers with Student Data.- Assessing Student Learning through Continuous Collection and Interpretation of Temporal Performance Data.- Comments on the Grand Challenge Problems by Researchers, Practitioners, and Policy Makers.- Comment by Nicolas Balacheff (Researcher Perspective) -- Comment by Mike Sharples (Researcher Perspective).- Comment by Peter Schwertschlager (Practitioner Perspective).- Comment by Mikko Rippatti (Practitioner Perspective).- Comment by N.N. (Policy Maker Perspective).- Comment by N.N. (Policy Maker Perspective).- Summary and Discussion.