According to the law more than 60,000 teachers in the states of Oaxaca, Chiapas, Guerrero and Michoacán will have to be dismissed.
In the state of Guerrero parents said they are willing to teach those classes where teachers fail to attend.
The union plans to let individual drivers pass, but commercial vehicles and trucks carrying cargo will be stopped.
The Mexican newspaper said that an analysis of the facts by a group of academics corroborated its findings.
Experts told reporters that storms earlier this year blew down more than a hundred acres of forests.
52.3 percent of the state’s elementary schools were open and holding classes on Monday.
On Tuesday Standard & Poor’s lowered México’s sovereign credit outlook to negative from stable.
México’s gross domestic product (GDP) decreased 0.2 percent for the quarter.
The Sinaloa government provided 1,200,000 students with free uniforms.
It was El Mayo who from the beginning was involved in negotiations for the release of the two men.
Officials said that the state of Chiapas was where the National Coordinator of Education Workers (CNTE) had its greatest support.
The president said México’s children and young people cannot “be hostages” to any cause or the demands of any group.
On Sunday most restrictions on flights between México and the United States were lifted.
The revised data is less than the preliminary figure of 0.3 percent reported by the INEGI last month.
A serious shortage of medicine continues to plague Mazatlán’s general hospital.