Educated people being more socially liberal is nothing new; education one of the largest factor in determining if someone is socially liberal or conservative. Educated people also tend to be more wealthy, which has a correlation, albeit a weaker one, with fiscal conservatism.
All of the three middle statements are absolutely pure bulls**t. Look at
David Valadao, who represents a "centrist, well-educated, Romney-Clinton district".
That would be like saying socialism is the ideology for the most intelligent, because Noam Chomsky, Albert Einstein, Nikola Tesla, Carl Sagan, Richard Lewontin, John Desmond Bernal, Joseph Needham, and (to a lesser extent) Stephen Hawking were all socialists. Socialism and scientists go together like bread and butter.
EDIT: On second thought, the logic above is actually more valid then Options 2-4. It actually has empirical evidence backing it up. The point is, if you choose to accept this way of thinking, you have to draw the conclusion above.
I come from a well-educated immigrant family who mostly interacts with people of a similar background. When it comes to politics, these types people are as clueless as anyone else, really.