Penelitian ini bertujuan untuk mengetahui pengaruh edukasi sebaya terhadap perilaku hidup bersih dan sehat (PHBS) pada aggregat anak usia sekolah yang beresiko kecacingan di Desa Baru Manggar Kabupaten Belitung Timur sebelum dan sesudah diberikan edukasi sebaya antara kelompok intervensi dan kontrol. Penelitian ini quasi eksperimen dengan desain non equivalent control group, before-after design. Hasil penelitian menunjukkan ada perbedaan pengetahuan, sikap dan keterampilan bermakna anak usia sekolah sebelum dan sesudah diberikan edukasi sebaya. Insidensi kecacingan menurun sesudah diberikan edukasi sebaya. Penelitian ini merekomendasikan kepada pelayanan kesehatan untuk mengembangkan kebijakan edukasi sebaya terintegratif dalam pelayanan keperawatan di sekolah untuk pengendalian kecacingan.

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The purpose of this research is to find out the influence of peer education towards clean and healthy life behavior in school age with the risk of helminthes? infection at Manggar Baru Vilage, East Belitung district before- after receiving peer education among intervention and control groups. This research is quasi experiment with non equivalent control group, before-after design. The result of research revealed that there is a meaningful difference at school age children?s knowledge, attitude and skill in intervention group before and after they are taken peer education. Helminthes incidence was decreasing in intervention group after they received peer education. Peer education has effectively increased or improved PHBS at school age aggregate. This research recommends health service to develop peer education policy within school health nursing program in handling helminthes infection.