This exploratory study is the result of a joint effort of three bilingual communities in the United States (Native Americans, Chicanos, and Puerto Ricans), to identify factors contributing to the effectiveness of day care child development programs and to delineate the needs of those serving bilingual bicultural children. The report is divided into three sections which separately analyze selected bilingual bicultural, day care programs. General recommendations are to: (1) build on the strengths of the family cultural life styles, (2) maintain the home language and culture, (3) center decision-making responsibility in the parents of the children in the program, (4) develop staffing patterns which reflect the enrollment of the children on a parity basis, and (5) reject curriculum models which attempt assimilation through integration theories. Basically, this report calls for the utilization of the rich culture and language of the home environment in any bilingual, bicultural, early childhood education program. (CS)