Observes literacy instruction in five first-grade classrooms. Finds classrooms headed by most-effective-for-locale teachers were characterized by excellent classroom management based on positive reinforcement and cooperation; balanced teaching of skills, literature, and writing; scaffolding and matching of task demands to student competence; encouragement of student self-regulation; and strong cross-curricular connections. Concludes excellent instruction involves multiple instructional components articulated with one another. (RS)