This monograph addresses the task of designing, operating, and evaluating bilingual vocational instruction programs. It is intended to help administrators, program planners, evaluators, and staff responsible for providing an efficient, effective, and relevant program for adults and youth who are unemployed or underemployed having insufficient job skills and who lack sufficient English to permit them to function in an English-speaking work environment. Chapter 1 addresses organizing a bilingual vocational training program. Specific topics include six prerequisites to program planning and effective program implementation. Chapter 2 focuses on adapting English to vocational instruction by discussing making ESL (English as a Second Language) relevant to vocation, task of mastering English, oral approach to mastery of English, and strategies in adapting ESL to vocational Skills. Chapter 3 is designed as a guide to the evaluation of bilingual vocational training programs. It provides a set of basic techniques to plan and conduct an evaluation of project effectiveness. It discusses purpose and description of evaluation method, steps in the evaluation process, type of information needed by project directors and evaluators, data collection and assessment, and use of findings in program planning and operation. A model evaluation form is provided. (YLB)