This is the evaluation of the fifth year of a bilingual education project carried out at Theodore Roosevelt High School, Bronx, New York. The program provided instructional and counseling services to three hundred Spanish dominant and thirty Italian dominant students, toward the goal of mainstreaming them into the regular instructional program. This report describes various aspects of the bilingual program, including the instructional process (native language and English), curriculum development, supportive services, staff development and parent/community involvement. Detailed data on student achievement in English and native language arts, mathematics, social studies, and science are also provided. The program is concluded to have been a success in both its instructional and noninstructional goals. (GC)