Yep, bluest of the blue Massachusetts is #1 by far

[MannyGoldstein]

Based on test results, MA public schools produce, far-and-away, the best results in the US:

e.g., from http://www.massteacher.org/archive/2007/headlines_2007-09-24.cfm

Bay State students lead nation on NAEP
Once again, Massachusetts public school students have outscored their counterparts in every other state on a series of exams often referred to as "The Nation's Report Card."

And very nearly the best in the world:

e.g., from http://www.boston.com/news/education/k_12/articles/2008/12/10/bright_sign_for_tech_in_mass/

Bright sign for tech in Mass. Science, math pupils near top internationally
Massachusetts students significantly outperformed their peers nationwide on a prestigious math and science exam, putting the state on an elite international tier, according to results released yesterday.

In many cases, the state's impressive showing on the Trends in International Mathematics and Science Study (conducted by Boston College) puts Massachusetts in the same league with Hong Kong, Taiwan, and Singapore - academic heavyweights that have long made US policy-makers fearful of losing an economic competitive edge.