This document reports data on on-campus enrollment and student geographic origins in Arkansas higher education for Fall 1990 in 12 figures and 25 tables. Part I treats on-campus enrollment by institution (at public four-year colleges, public two-year institutions, and all independent institutions), student level (data for Fall 1986 through 1990), student demographic factors (Fall 1986-1990, full- or part-time status, sex, age, and ethnicity) and by enrollment at public institutions by level and residency. An appendix to Part I contains 14 tables showing enrollment trends and student demographic factors by institution. Part II presents statistics on geographic and institutional origins of Arkansas college students, Fall 1990, including first-time-entering undergraduate students (data for Fall 1986 through Fall 1990), geographic origins of undergraduate students, entering undergraduate transfer students, and institutional origins of graduate and first professional students. An appendix to Part II contains tables on geographic origins of Arkansas college students by institution. Another appendix lists institutional names and abbreviations. (JB)