CAREER AND ACEDEMIC SERVICES / Washington State High School Graduation Requirements Washington State High School Graduation Requirements These requirements are effective as of July1, 2004. One credit is equal to one full year course of study. High School Educational Plan (Which must include plan for first year out of high school.) Senior Culminating Project Certificate of Mastery Subject English Math Science Social Studies Health and Fitness Occupational Education Arts Electives Credits 3.0 2.0 2.0 (one must have laboratory component) 2.5 2.0 1.0 1.0 5.5 19.0