Sexual harassment is on the rise at schools and information service in the practice of guidance and counseling has yet to improve the religiosity of the students as a form of sexual harassment prevention. The objective of this research is to determine the effectiveness of information service in improving the students’ religiosity to prevent sexual harassment in schools. This is a quantitative research with an experimental design. The research population is students of a Vocational School in Padang and the sampling technique is cluster random sampling. Data collection was performed through a questionnaire on religiosity and data were analyzed using Wilcoxon Signed Ranks Test. The results show that the information service is effective to improve the students’ religiosity as a form of sexual harassment prevention.
Information service, religiosity, sexual harassment