The report documents the early stages and reflections of some of the initial staff of the Boston Bilingual Clusters program designed for public school instruction for Puerto Rican immigrant children. Conceived as a transitional educational experience, the program seeks to effect the diagnosis and remediation of school problems and unmet needs in the system. The problems of establishing a bilingual transitional school and reactions of the staff of the Boston Bilingual Clusters are discussed. Included in the report are remarks by the head teacher, staff, and teacher aides. Appendixes contain assessment instruments, interview questions, and reports on teacher aide workshops. (RL)