Mexico's Teacher Strike Turns Violent

A teacher gives the thumb down sign as he holds a photograph of Mexico's President Enrique Pena Niet outside of the office of the Secretary of Educations after they attacked the building causing significant damage in Chilpancingo, Mexico, Wednesday April 24, 2013. Protesting against President Enrique Pena Nieto's education reform project, thousands of elementary and high school teachers in Guerrero, one of the country's poorest and worst-educated states, walked out more than a month ago, turning hundreds of thousands of children out of class and since have launched an increasingly disruptive string of protests. (AP Photo/Alejandrino Gonzalez) (AP2013)

Protesting against President Pena Nieto's education reform project, teachers break windows during an attack on the Revolutionary Institutional Party, PRI, regional offices, causing significant damage, in Chilpancingo, Mexico, Wednesday April 24, 2013. Thousands of elementary and high-school teachers in Guerrero, one of the country's poorest and worst-educated states, walked off their jobs more than a month ago, turning away hundreds of thousands of children from their classrooms and since launched an increasingly disruptive string of protests. (AP Photo/Alejandrino Gonzalez) (AP2013)

Protesting against President Pena Nieto's education reform project, a teacher burns a photograph of the Mexican leader outside a Secretary of Education office after they attacked the building, in Chilpancingo, Mexico, Wednesday, April 24, 2013. Thousands of elementary and high-school teachers in Guerrero, one of the country's poorest and worst-educated states, walked off their jobs more than a month ago, turning away hundreds of thousands of children from their classrooms and since launched an increasingly disruptive string of protests. (AP Photo/Alejandrino Gonzalez) (AP2013)

A demonstrator is arrested by a Federal Police officer during a protest held by public school teachers at a highway that connects Mexico City with Acapulco in Chilpancingo, Mexico, Friday, April 5, 2013. Radical Mexican public school teachers are holding marches and blocking roads to battle a newly enacted education reform that would weaken union powers. (AP Photo/Alejandrino Gonzalez) (AP2013)

Public school teachers clash with Mexico's Federal Police after they blocked a highway that connects Mexico City with Acapulco in Chilpancingo, Mexico, Friday, April 5, 2013. Radical Mexican public school teachers are holding marches and blocking roads to battle a newly enacted education reform that would weaken union powers. (AP Photo/Alejandrino Gonzalez) (AP2013)

A protestor runs past office furniture set to fire by teachers in an attack of a Secretary of Education office, in protest against Mexican President Pena Nieto's education reform project, in Chilpancingo, Mexico, Wednesday, April 24, 2013. Thousands of elementary and high-school teachers in Guerrero, one of the country's poorest and worst-educated states, walked off their jobs more than a month ago, turning away hundreds of thousands of children from their classrooms and since launched an increasingly disruptive string of protests. (AP Photo/Alejandrino Gonzalez) (AP2013)

Protesting teachers stand outside of the regional offices of the Revolutionary Institutional Party, PRI, after they attacked the building causing significant damage in Chilpancingo, Mexico, Wednesday, April 24, 2013. Protesting against President Enrique Pena Nieto's education reform project, thousands of elementary and high school teachers in Guerrero, one of the country's poorest and worst-educated states, walked out more than a month ago, turning hundreds of thousands of children out of class and since have launched an increasingly disruptive string of protests. (AP Photo/Alejandrino Gonzalez) (AP2013)

Public school teachers, above, clash with Mexico's Federal Police after they blocked a highway that connects Mexico City with Acapulco in Chilpancingo, Mexico, Friday, April 5, 2013. Radical Mexican public school teachers are holding marches and blocking roads to battle a newly enacted education reform that would weaken union powers. (AP Photo/Alejandrino Gonzalez) (AP2013)

Protesting teachers stand outside of the regional offices of the Revolutionary Institutional Party, PRI, after they attacked the building causing significant damage in Chilpancingo, Mexico, Wednesday, April 24, 2013. Protesting against President Enrique Pena Nieto's education reform project, thousands of elementary and high school teachers in Guerrero, one of the country's poorest and worst-educated states, walked out more than a month ago, turning hundreds of thousands of children out of class and since have launched an increasingly disruptive string of protests. (AP Photo/Alejandrino Gonzalez) (AP2013)

Protesting against President Pena Nieto's education reform project, teachers break out windows during an attack on the Revolutionary Institutional Party, PRI, regional offices, causing significant damage, in Chilpancingo, Mexico, Wednesday April 24, 2013. Thousands of elementary and high-school teachers in Guerrero, one of the country's poorest and worst-educated states, walked off their jobs more than a month ago, turning away hundreds of thousands of children from their classrooms and since launched an increasingly disruptive string of protests. (AP Photo/Alejandrino Gonzalez) (AP2013)