The faculty resource "quick tip" page from Park University gives a concise view of incorporating authentic assessment along with traditional assessments of learning.
New York's School of the Future shares their assessment plans and rubrics, classroom projects, schedules, web links, and other resources to help you implement "authentic" assessment today.
If the students don't recognize assessments as a chance to show their learning, then these things aren't even assessments; they're something altogether alien to real learning. Fortunately, there are many approaches we can take within our own classrooms to change this situation.
It takes more than collecting data or creating on computers to be a 21st century school. If educators are not having students publish regularly in thoughtful, authentic, and relevant places they are NOT preparing them for today or tomorrow.