 He also pledged to invest $150 million annually into the City University of New York to lower tuition and improve degree programs.In September 2013, de Blasio voiced his opposition to charter schools, maintaining that their funding saps resources from classes like art, physical education and after-school programs.He outlined a plan to discontinue the policy of offering rent-free space to the city's 183 charter schools and to place a moratorium on the co-location of charter schools in public school buildings.