The "Legal Audit Instrument for Public School Curriculum" described in this paper is intended for those making decisions in curricular matters. The instrument has been derived from court decisions that are based on the Federal Constitution, legislation, and regulations. Corresponding cases and provisions within each state will require supplementary attention when the instrument is applied. Over 160 court decisions are identified in the areas of bilingual education; religious instruction; sex, health, and related education; special education; achievement and psychological testing; teaching methods or coverage; and library and instructional materials. Within each of these areas are yes-no questions targeted to local policy and practice. The full version of the instrument indicates the primary source or sources of federal law on which the related case law is based. Finally, the instrument indicates, given a circled response to that question, the probable vulnerability to a successful suit and the approximate assessment of compliance costs, each based on a 1-to-5 scale. On accompanying pages in each section, the instrument lists the corresponding case citations (largely post-1970) for each item. The "Religious Instruction" section is shown in the appendix. (MLF)