One: La Tuta, the Familia Michoacana's most recognizable big shot, has been drawing a public school teacher's salary for the past 15 years. The first quarter of this year, for instance, he was paid roughly $4,000. For the record, the article says that he does not have a professional background in education.
Less spectacularly, Mexican 15-year-olds averaged a score of 425 on the most recent PISA exams, which are used to measure different nations' kids against one another. This represents an improvement over previous tests in 2003 and 2006, but it is well below the OECD average of 493.