Fall 1980 enrollment data for higher education in Washington State and 1981-83 biennial enrollment forecasts are presented. A short narrative section on 1980 enrollment highlights covers the total enrollment picture of the four-year institutions separately, and the enrollment situation in the community college system. For the total four-year system, the overview includes headcount, freshman, graduate/undergraduate mix, transfer, and entering high school student enrollment data, average credit hour per student, and retention rates. Highlights are presented for the following four-year institutions: University of Washington, Washington State University, Central Washington University, Eastern Washington University, the Evergreen State College, and Western Washington University. Statistical tables include the following: original budget forecasts for 1973-75, 1975-77, 1977-79, 1979-81, and 1980-83; annual average student credit hours by cost and course level for each institution 1973-78; quarterly variation of fall, winter, and spring student credit hours, by course level for each institution, 1971-80; headcount undergraduate and graduate enrollment for the state and for each institutions, 1971-80; entrances from Washington high schools and transfers within state universities and community colleges; General Education Development certificates and high school diplomas and certificates; percent retention, spring to fall; enrollment of resident and nonresident students; enrollment for selected age groups by sex and grade classifications and median age; summer school enrollments; and community college enrollments. (SW)