This volume explains the products and processes of the Entry Standards Assessment (ESA)/Basic Skills Brush Up System. The ESA/Basic Skills Brush Up Centers System is a program designed to provide Comprehensive Employment and Training Act (CETA) clients with the math, reading, and writing skills needed to take advantage of job training. Following an introductory description of the system, the ESA, a job skills checklist, is examined. Section 3 shows how the ESA is used by CETA staff. The fourth section describes the Basic Skills Brush Up Centers, the individualized classrooms that provide basic skills instruction, and explains how the centers help clients acquire the basic job-related skills they need. Provided in the final section is a manual describing the process for developing ESA's. (A taxonomy of instructional objectives, originally developed by the Adult Competency Education Project, is appended to the volume. (MN)