The globalization and free trade between countries and nations has created demands for the knowledge and skills in the area of intercultural interaction and transaction. Intercultural Communication Competences (ICC) is one of the capabilities that need to be possessed by workers and professionals who want to have a bigger role in the business and industries in international level. Vocational education institutions are demanded to provide their students with a certain degree of competences in multicultural interaction and communication. This paper aims to address the effectiveness of trainings in a vocational education institution in equipping its students with the intercultural communication skills. Using a sample of students from the ISP Cruiseship and Hotel School Surakarta, Central Java, this study will analyses the differences of ICC between groups of students who have undergone various forms of training in intercultural communication, in order to determine the effectiveness of the training in equipping the students with the necessary intercultural communication skills. The study incorporates a quantitative approach, using survey method. The data will be analyzed using descriptive statistics and analysis of variations between groups. The result shows that the intercultural communication training increase the level of ICC especially in the intercultural confidence dimension.