Ways in which teachers organize classrooms when they have more students than microcomputers available to them were investigated as part of the National Survey of School Uses of Microcomputers, which collected data from 1,082 microcomputer-using schools. These schools represent 68% of a nationally representative sample of about 1,600 microcomputer-owning public and non-public elementary and secondary schools with one or more microcomputers for use by teachers or students, that were surveyed between December 1982 and March 1983. Results indicate that: (1) students work at computers individually more often than in pairs or groups, but some form of mutual assistance is more common than strictly solitary activity; (2) social arrangements for using computers are more common at the junior high level; and (3) seatwork is the primary activity of students in a classroom when other students are engaged at the computer. In addition to grade level and subject matter, variables that might influence style of classroom computer use include the number of students in the classroom, the number of computers available, characteristics of the teacher, and characteristics of the schools' students, particularly the computer-using students. This report is the sixth and final in a series based on the national survey. (LMM)