ABSTRAK Perilaku Hidup Bersih dan Sehat (PHBS) di sekolah adalah upaya memberdayakan siswa, guru, dan masyarakat lingkungan sekolah agar tahu dan mampu mempraktikkan PHBS, dan berperan aktif dalam mewujudkan sekolah sehat. Anak usia sekolah (6-12 tahun) merupakan sasaran yang sangat efektif dalam merubah perilaku dan kebiasaan hidup sehat. Usia ini merupakan usia yang rawan akan masalah kesehatan sehingga dapat mempengaruhi proses pertumbuhan dan perkembangan serta prestasi belajar. Kegiatan ini dilakukan di SDN Ngemplakrejo Kota Pasuruan. Pemilihan lokasi didasarkan pada 1) penerapan PHBS di sekolah tersebut tergolong rendah, 2) terletak di wilayah pesisir Kota Pasuruan, dimana wilayah pesisir termasuk kedalam fokus sasaran keperawatan agronursing yang memiliki ruang lingkup agrikultural 3) hasil penelitian sebelumnya didapatkan bahwa penerapan PHBS di wilayah pesisir tergolong rendah. Sasaran kegiatan ini adalah siswa kelas 5 dan 6 SD sebanyak 45 orang. Edukasi diberikan melalui ceramah, diskusi dan demonstrasi. Media edukasi berupa buklet, slide power point yang disesuaikan dengan usia anak, video PHBS, dan poster. Kuesioner digunakan untuk mengukur dimensi pengetahuan dan sikap. Dimensi tindakan diukur melalui lembar observasi. Dari hasil evaluasi didapatkan hasil bahwa pada dimensi pengetahuan sebagian besar responden memiliki pengetahuan yang baik tentang cuci tangan 6 langkah dengan benar (62%), menjaga kebersihan gigi dan mulut (67%), memilih jajanan sehat (56%) dan membuang sampah pada tempatnya (58%). Pada dimensi sikap sebagian besar responden memiliki sikap yang positif tentang cuci tangan 6 langkah dengan benar (78%), menjaga kebersihan gigi dan mulut (71%), memilih jajanan sehat (73%) dan membuang sampah pada tempatnya (80%). Pada dimensi tindakan sebagian besar responden melakukan tindakan cuci tangan 6 langkah dengan benar (69%), menjaga kebersihan gigi dan mulut (78%), memilih jajanan sehat (71%) dan membuang sampah pada tempatnya (73%). Edukasi Perilaku Hidup Bersih dan Sehat (PHBS) mampu membangun gaya hidup sehat sejak dini dengan meningkatkan pengetahuan, sikap dan tindakan PHBS. Kata Kunci: PHBS, Gaya Hidup Sehat, Wilayah Pesisir ABSTRACT Clean and Healthy Living Behavior (PHBS) in schools is an effort to empower students, teachers, and the school community to know and be able to practice PHBS, and play an active role in realizing healthy schools. School-age children (6-12 years) are very effective targets in changing behavior and healthy living habits. This age is an age that is prone to health problems that can affect the process of growth and development as well as learning achievement. This activity was carried out at SDN Ngemplakrejo Pasuruan City. The site selection was based on 1) the implementation of PHBS in the school was relatively low, 2) it was located in the coastal area of Pasuruan City, where the coastal area was included in the focus of agronursing nursing nursing targets that had an agricultural scope 3) the results of previous studies found that the application of PHBS in coastal areas was relatively low. The target of this activity is 45 students in grades 5 and 6 of elementary school. Education is provided through lectures, discussions and demonstrations. Educational media in the form of booklets, power point slides tailored to the age of children, PHBS videos, and posters. Questionnaires are used to measure dimensions of knowledge and attitudes. Action dimensions are measured through observation sheets. From the evaluation results, it was found that in the knowledge dimension, most respondents had good knowledge about washing hands 6 steps correctly (62%), maintaining dental and oral hygiene (67%), choosing healthy snacks (56%) and disposing of garbage in its place (58%). On the attitude dimension, most respondents have a positive attitude about washing hands 6 steps properly (78%), maintaining dental and oral hygiene (71%), choosing healthy snacks (73%) and disposing of garbage in its place (80%). In the action dimension, most respondents carried out 6-step hand washing actions correctly (69%), maintaining dental and oral hygiene (78%), choosing healthy snacks (71%) and disposing of garbage in its place (73%). Clean and Healthy Behavior Education (PHBS) is able to build a healthy lifestyle from an early age by increasing PHBS knowledge, attitudes and actions. Keywords: PHBS, Healthy Lifestyle, Coastal Area