We’re obsessed with data these days, and for good reason: it’s relatively easy to get if you know what you’re looking for. While you won’t be able to identify everything that’s useful upfront, take a step back, and evaluate what you’d hope to learn. Come up with a list of the information you need and a list of things you’d like to have. For example, do you need to know the average test score for students in History? What about attendance rates during the month of December?