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He later boarded at the Colegio de San Juan de Letran where he completed secondary school .
 organization: Colegio de San Juan de Letran
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 organization: Colegio de San Juan de Letran