Why is California the least educated state?

California ranks No. 1 among the 50 states for the percentage of its residents 25 and older who have never completed ninth grade and 50th for the percentage who have graduated from high school, according to new data from the Census... show more California ranks No. 1 among the 50 states for the percentage of its residents 25 and older who have never completed ninth grade and 50th for the percentage who have graduated from high school, according to new data from the Census Bureau.
https://www.cnsnews.com/news/article/terence-p-jeffrey/least-educated-state-california-no-1-percentage-residents-25-and
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