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California Science Test (CAST)

The California Science Test (CAST) is an untimed, computer-based assessment that consists of six test segments.  The test measures science concepts contiguously from grades K-5, 6-8, and 9-10/11.  It tests at least 44 and 60 questions, depending upon grade level.  The questions consist of both multiple-choice and performance-based (writing).  The first five segments may take students an average of 20 minutes each to complete.    It is administered to ALL students in grades 5, 8, and in either (10th, 11th, or 12th) grades.   The alternate science assessment is known as California Alternate Assessment for Science or CAA-Science. Both CAST and CAA-Science are part of the larger statewide system of assessments know as CAASPP.  The CAST is a computer-based test, but it is not computer adaptive. It consists of stand-alone or discrete questions and performance tasks.  All students must take the science assessment by the end of grade twelve, but have the option of testing in grade ten or grade eleven.   Students assigned to take an alternate assessment should take the CAA for Science.

CAST Science Test

The California Science Test (CAST) is an online assessment based on the California Next Generation Science Standards (NGSS).  All local educational agencies (LEAs) with eligible students in grades five and eight and in high school will administer the CAST operational test. The CAST operational test uses the current California Assessment of Student Performance and Progress (CAASPP) test delivery system and will be administered online only.

Who takes the CAST operational test? The CAST is administered in grades five and eight and once to each student while that student is in high school. All students must take the CAST by the end of grade twelve, but have the option of testing in grade ten or grade eleven. Only eligible students may participate in the administration of the CAST. Students assigned to take an alternate assessment should take the California Alternate Assessment for Science.

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