- The document discusses social movements in Latin America fighting for the right to education in the 21st century amid issues of privatization, inequality, and segregation. - It highlights student movements in Colombia, Puerto Rico, and Chile that mobilized against education budget cuts and proposals to introduce for-profit universities and privatize public education. - Key aspects discussed for successful social movements include building broad support, overcoming sectarianism, shaping public debate with alternative proposals rather than just opposition, and envisioning long-term societal change beyond any single issue.