Washington Comprehensive Assessment of Science (WCAS) Grade 8

The Washington Comprehensive Assessment of Science is a Washington state science assessment administered by OSPI. OSPI's site navigation lists it among state testing programs, alongside WaKIDS, Smarter Balanced, and the WA-AIM. Confirm current details on OSPI's own WCAS page.

We could not verify grade-level eligibility from the available source, so we do not state it. Check OSPI's WCAS page or ask your school's testing coordinator, who will know which grade in your building is scheduled for the science assessment this year.

These figures are not confirmed here. The official OSPI page could not be retrieved, and we will not guess at item counts or timing. Your district testing coordinator receives OSPI's administration guidance each year and can give you the exact schedule.

The source did not specify domain weightings, so we mark them unverified. In general, expect questions spanning physical science, life science, and Earth and space science, with an emphasis on applying science practices to phenomena rather than recalling isolated facts. Confirm specifics with OSPI.

We cannot confirm a passing score, cut score, or graduation implications from the available source. Washington's graduation requirements have changed in recent years, so verify directly with OSPI's Graduation and Testing pages and your school counselor rather than relying on older information.

Retake policy is not verified here. Districts handle scheduling and any retake opportunities, so ask your testing coordinator what is available in your school. Do not assume a retake window exists or that a prior score can simply be replaced.

Work backward from the weakest domain. Spend most time on explaining phenomena in writing and interpreting data tables and graphs, since constructed responses reward clear reasoning. Practice short written explanations with a claim, evidence, and reasoning structure, and review vocabulary in context rather than as a list.

Answering with a term instead of an explanation, ignoring units, and describing a pattern in data without stating what it means. Also common: not reading the full prompt, and skipping the reasoning step that connects evidence to a claim. Practice writing complete explanations until it becomes routine.

Accommodations are handled through your school and documented in a student's plan. Because we could not verify specifics from the source, ask your school's special education or multilingual education staff, who can confirm which supports are permitted for the current administration.

Start at ospi.k12.wa.us and navigate to Student Success, then Testing, then State Testing, where the Washington Comprehensive Assessment of Science appears in the menu. Your district assessment office is the fastest source for local dates, locations, and required materials.