This CD-ROM contains restricted-use base year salary and benefits data from the Early Childhood Longitudinal Study, Kindergarten Class of 1998-99 (ECLS-K). The salary and benefits data file contains data on the base salary, merit pay, and employee benefits of kindergarten teachers and school administrators in ECLS-K schools. The salary and benefits data, when combined with other ECLS-K data, can be used to answer resource effectiveness, equity, and intent questions.