The extent to which students with disabilities are represented in national data collection programs was investigated by reviewing nine such programs that are receiving attention in current educational reform initiatives. Results suggest that 40-50% of students with disabilities are excluded from these prominent data collection programs. (SLD)

This article examines statistical issues raised when standard methods are used to analyze educable placement data to determine possible racial discrimination. An alternate approach is offered that detects disparities while avoiding the pitfalls of present methodologies. (BS)