GCI may refer to: Education. Galt Collegiate Institute, in Cambridge, Ontario, Canada. Glebe Collegiate Institute, in Ottawa, Ontario, Canada. Global Change Institute, at the University of the Witwatersrand, Johannesburg, South Africa. Global Cinematography Institute, in Los Angeles, California, United States. Government College Ikorodu, in Lagos State, Nigeria. Environmentalism. Glen Canyon Institute, in Utah, United States. Green Cross International, an International environmental organization. Green Campus Initiative (UCT), a student organization at the University of Cape Town.
https://en.wikipedia.org/wiki/GCI