This issue of Changing Schools explores what algebraic thinking is and why students need algebraic thinking. The efforts of Kansas and North Dakota to incorporate algebraic thinking into their state mathematics standards are described. Contents include: (1) "Algebraic Thinking: Preparing Students for Mastering Algebraic Concepts" (Vicki Urquhart); (2) "States Embrace Algebraic Thinking" (Vicki Urquhart); (3) "Colorado Conference Examines Needs of Learners with Limited English" (Shae Isaacs); and (4) "Diversity Training Can Decrease Violence" (Diane McIntyre Wilber). (KHR)