Complex sentence: In June 2013, Cognita expanded its network of Latin American schools through a partnership with Desarrollos Educacionales (DDEE), a Chilean private schools group operating nine national curricular day schools under the Pumahue and Manquecura brands.
Split into simpler sentences: In June 2013, Cognita expanded its network of Latin American schools through a partnership with Chilean private schools group Desarrollos Educacionales (DDEE). DDEE is a private schools group Chile, operating nine national curricular day schools under the Pumahue and Manquecura brands.