This file defines each variable and gives its position in the ASCII file. 
AN = alphanumeric, N = numeric

Variable name	Type	Position	Definition

leaid		AN	1-7		Local Education Agency ID (set by NCES)
dname94		AN	8-42		Name of District/Metro Area
dteth94		N	44-49		Total Enrollment in District/Metro Area
dpbl94		N	54-60		Proportion Black 1994
dphs94		N	64-69		Proportion Hispanic 1994
dpnw94		N	74-80		Proportion Non White 1994
dexwnw94	N	84-91		District/Metro Exposure Rate White-Non White 
segndx94	N	95-102		District/Metro Seg Index White-Non White
dgnwnw94	N	106-113		District/Metro Gini Index White Non White
ddis94		N	118-124		District/Metro Dissimilarity Index