NCGS offers professional development for educators of girls, hosting regional, national, international, and online conferences and forums. The first-ever "Global Forum on Girls' Education"", Creating a World of Possibilities", was held in New York City in February 2016. NCGS hosted this ground-breaking conference in partnership with 13 preeminent educational organizations from around the world, including the UK, Australia, Canada, South Africa, and The Philippines. The Global Forum brought together 950 educators, researchers, advocates, and authors from 23 countries. Gloria Steinem and Arianna Huffington were among the keynote speakers. The "Global Forum on Girls' Education II" was held in Washington, DC in June 2018, which included keynote appearances from Billie Jean King, Azar Nafisi, Halla Tómasdóttir, Sylvia Acevedo, and Lieutenant Colonel Lucy Giles, Gail Kelly.