I think global citizenship is more about the experience in differents educational structure. You can put in the curriculum some interships and colaboration between universities.
Unfortunately, center-periphery differences in terms of education will create unequal opportunities for job's seekers around the world. Bourdieu's concept "racism of the intelligence" will determine these iniciatives leading to a unfair market.
Muhammad Saifullah Khalid I think it is unavoidable that some kind of global curriculum comes in place sooner or later. Issues about global safety and psycho-developmental needs of the global citizen should be conveyed in it.