Intended to accompany "Implementing California's School Funding Formula: Will High-Need Students Benefit?," this appendix examines the extent to which school shares of high-need students vary relative to their district concentrations by grouping approximately 950 school districts by their share of high-need students, arraying them into ten categories of equal size, starting with the districts with the lowest percentages of high-need students and ending with districts with the highest percentages. It then examines the shares of high-need students at each school for districts in this range. [For the full report, see ED561203.]