New promise and new practices in classrooms without borders -- Getting together: cooperation, collaboration and communication for 21st century learning? -- Internet tools for 21st century classrooms -- Is anyone out there?: how to communicate and collaborate beyond -- Last things first: putting backward planning to work -- How do projects say yes to standards? -- All together now: how to use formal cooperative learning to enhance -- What were you thinking? -- Sharpened minds for sharper thinking -- Soaring above and beyond: power lessons and projects -- The Internet investigation project -- The problem-based project -- The innovation project -- No doubt here: a new frontier for teaching and learning.