Olympic College Summer Quarter 2025. Facebook (opens in new tab) instagram (opens in new tab) youtube (opens in new tab) twitter (opens in new tab) Spring 2025 dates & deadlines.

April 3 (thu) deadline for departments to update course grading basis, unit, and/or component configuration for classes offered in summer. View highline college dates and deadlines for registration, waitlists, tuition, stepp payments, refunds, financial aid deadlines, quarter dates and more.