Let's face it, digital data have become the lifeblood of the modern school system. Lesson plans, grades, student and staff records, correspondence, bus schedules—all now reside in the ether. Lose availability to that data and IT is going to hear about it, loudly.

When things go wrong and they lose availability to their data, schools must be able to restore lost data and get their services back up fast—at a price they can afford.

Here's how to do it.