The Competency Based Bilingual/Bicultural Project at Eastern District High School in New York City is an integrated bilingual demonstration project designed to develop English and native language skills as well as instill positive self concepts among high school students with Spanish-speaking backgrounds. In 1980-1981, the program provided instruction in English as a second language, reading, native language arts, bilingual instruction in content areas, and vocational/career guidance. This report describes the program setting; participants; philosophy and organization; student placement; instructional and non-instructional services; program implementation; and program evaluation. Results of evaluation indicate that: (1) significant gains were achieved in English reading, language fluency, native language reading, and mathematics; and (2) program attendance rates were higher than school-wide attendance rates. The report suggests that the program was successful and presents recommendations for greater program effectiveness. (Author/MJL)