The document discusses how the role of teachers needs to change to meet the demands of 21st century students. It notes that students today expect to be more involved in their own learning, requiring teachers to diversify instruction. It also states that teachers can no longer rely solely on textbooks, but must integrate a variety of materials including technology. The document argues that teachers must act as facilitators who help students organize instruction according to their needs and learning styles. It maintains that this shift is necessary for teachers to effectively implement content area reading and writing strategies in the classroom.