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California Science Test Scale Score Ranges

Scale score ranges by grade level and achievement level

PLEASE NOTE: The achievement level descriptors have been updated starting with 2025-26 admin year. For more information, please visit the Understanding Results web page.

Scale Score Ranges

Scale Score Ranges
Grade	Min Scale Score	Max Scale Score	Achievement Level Scale Score Range for Standard Not Met / Minimal (Level 1)	Achievement Level Scale Score Range for Standard Nearly Met / Developing (Level 2)	Achievement Level Scale Score Range for Standard Met / Proficient (Level 3)	Achievement Level Scale Score Range for Standard Exceeded / Advanced (Level 4)
5	150	250	150–178	179–213	214–230	231–250
8	350	450	350–377	378–414	415–432	433–450
High School (Grades 10–12)	550	650	550–575	576–614	615–635	636–650