This report describes, provides demographic data for, and evaluates the effectiveness of a bilingual program for Spanish and Italian speaking students in Grover Cleveland High School, Queens, New York. The program relies upon individualized instruction and aims to mainstream students into the regular pre-college curriculum within 2 years, if possible. Bilingual instruction is given in language skills, mathematics, and some social studies courses, while participating students attend regular courses in other subject areas. Also part of the program is a noninstructional component, including curriculum and staff development, provision of supportive services, parent participation, and a focus on students' affective domain. The data provided in this report demonstrate significant achievement gains among participating students, as well as the successful development of academic and extracurricular activities. (GC)