She attended High School at Liceo Experimental Bilingue de Naranjo, graduating in 2006.
She is studied graphic design at Universidad Veritas in San José, Costa Rica.
Silvana won the National Geography Championship for Costa Rica high school students in 2004.
She represented Costa Rica in the World Geography Championship hosted by National Geographic Magazine in Budapest, Hungary in the same year.
Silvana Sanchez represented Costa Rica in Miss World 2012 pageant, on August 18, in Ordos, Inner Mongolia, China.