Mexico´s General Law for Handicapped People ensures that public education shall promote all forms of written communication to enable deaf speakers to develop and use written language. The law also ensures access for deaf people to compulsory public education and bilingual education that includes Spanish language and Mexican Sign Language, noting that the supplemental use of other national languages will be promoted when regional circumstances so require.
For further information and interesting facts from the 93 countries surveyed around the world, check out the research presented in a document called, “Deaf People and Human Rights.”