Research indicates that routine classroom walkthroughs by instructional leaders that can have significant impact on teaching and learning in schools (Marshall, 2003; Protheroe, 2009). However, our busy- and sometimes unpredictable- schedules sometimes hinder our ability to consistently prioritize school walkthroughs. With this in mind, ILM offers offers one of our favorite tools and five researched-based principles to ensure every walkthrough is efficient, productive, and bea