CenterArts Discount for OLLI Members: 2019-2020 Season OLLI at HSU partners each season with CenterArts to bring diverse shows to Humboldt State University. Spring 2020 Extended Education Course Bulletin is available online The Spring 2020 Extended Education course bulletin will soon be on its way to subscribers' mailboxes. Save the Date! OLLI Spring Open House 2020 February 22 Mark your calendars for the upcoming Spring Open House 2020! 1-3 p.m. at the Sequoia Conference Center in Eureka.