This report describes a diagnostic instrument designed for school districts to use in assessing the training needs of bilingual staff. The construction and trial administration of the instrument involved several stages. Among these were the development of a pool of subscaled questions, questionnaire forms, and a pool of instrument questions. The selection of bilingual personnel to respond to the scale and administration of the scale was followed by the development of computer scoring programs and classification procedures. Finally, reliability and validity assessments of the instrument were conducted. The data gathered from teachers' responses were scored and a need index for training was derived. The general areas covered by the survey are curriculum and instruction; evaluation techniques; human skills; staff organization; language, linguistics, and content; and culture. The inservice planning survey is included in the report. (DWH)