The state with the highest percentage of college degrees, Mass, has 42%. The lowest, WV, has 20%. Only nine states are better than 35% and only 8 less than 25%.
https://en.m.wikipedia.org/wiki/List_of_U.S._states_by_educational_attainment
This also fails to account for the fact that agricultural based states have less use for degrees that states with business economies.