"Academic and Research institutions, including Primary and Secondary (K12) Schools, 2-and 4-year Colleges, and Universities, are eligible for a no-cost license of StarOffice 8. All you have to do to obtain the StarOffice 8 Software License and Entitlement is purchase at least one StarOffice 8 Enterprise Media Kit or download the software and click thru the license agreement on the Sun Software Download Center as described below."
"If you are a student, researcher, staff, or faculty member you can download StarOffice 8 for free from Sun's Software Download Center."
I've just installed it on my workstation with Solaris 10 - works great. Some MS Office ducuments which weren't imported properly using SO7 are working now!
Official page here.