This document provides information about co-teaching strategies that can be used to increase differentiation in the classroom. It defines co-teaching as two or more teachers sharing responsibility for planning, instruction, and assessment. The document outlines seven co-teaching strategies (one teach/one observe, one teach/one assist, station teaching, parallel teaching, supplemental teaching, alternative teaching, and team teaching) and provides examples and advantages of each. It also discusses benefits of co-teaching for students including increased engagement and individual attention.