This report summarizes the in-school field operations and data collection activities, as well as the administration decision-making, undertaken in Year 11 of the National Assessment of Educational Progress, (NAEP) from March, 1979 through July, 1980. The more pertinent summary data on the planning and conduct of Year 11 in-school assessment are cited here. Also included are details, in summary form, on (1) National Assessment meetings attended and field trips taken by Research Triangle Institute (RTI) central staff members, (2) the inventory (summer, 1980) of NAEP materials and equipment stored at RTI, and (3) project expenditures of funds and effort. An assessment of out-of-school 17-year-olds (Supplementary Frame assessment) was conducted in Year 11; a summary of the Year 11 Supplementary Frame assessment field activities is presented in this report. Primary type of information provided by the report: Procedures (Field Administration). (Author/BW)