ABSTRAK Terdapat berbagai faktor yang memengaruhi pertumbuhan dan perkembangan anak. Peran orang tua sangat menentukan pertumbuhan dan perkembangan anak selain bertanggung jawab dalam pendidikan anak. Sekolah dan guru turut mendukung tidak hanya pendidikan anak namun juga pengembangan identitas diri, eksistensi diri, serta eksplorasi diri anak. Kegiatan Pengabdian kepada Masyarakat (PKM) berupa ‘Webinar Edukasi Peran Orang Tua dalam Tumbuh Kembang Anak dan Well-Being Keluarga’ dilakukan di SMP Sekolah Tunas Indonesia yang berlokasi di Bintaro, pada tanggal 26 Maret 2021. Kegiatan bertujuan untuk mengoptimalkan peran orang tua dalam tumbuh kembang anak dan membangun Well-Being keluarga. Metode yang digunakan adalah edukasi yang terdiri dari dua sesi, yaitu: ‘Konsep Well-Being Keluarga’ dan ‘Peran Orang Tua dalam Optimalisasi Tumbuh Kembang Anak’. Webinar diikuti oleh 63 peserta yang terdiri dari 10 Guru, 21 orang tua dan 32 sisw/i. Hasil kegiatan didapatkan sebagai berikut: (1) Karakteristik keluarga; 82.6% peserta memiliki tipe keluarga inti, 95.7% peserta memiliki relasi yang dekat dalam keluarga, 95.7% peserta memiliki quality time bersama keluarga secara rutin (minggu/bulan), dan 43.5% peserta memiliki prioritas untuk membangun hubungan keluarga, (2) Tumbuh kembang anak; mayoritas anak terpenuhi tugas perkembangannya pada aspek fisik dan psikososial, (3) Pengetahuan orang tua dan guru terkait topik masih rendah, hal ini terlihat dari rerata nilai pre-test (n=23) sebesar 4,58 dan rerata nilai post-test sebesar 3,56 (n=18), (4) Peserta dan sekolah (lembaga mitra) antusias mengikuti kegiatan dari awal sampai dengan akhir dan menilai kegiatan baik dan memuaskan. Kegiatan dapat berkelanjutan dan orang tua bersama pihak sekolah dapat lebih terlibat dalam mengoptimalkan tumbuh kembang anak. Kata Kunci: Keluarga, Peran Orang Tua, Tumbuh Kembang Anak, Well-Being ABSTRACT There are various factors that influence the growth and development of children. The role of parents greatly determines the Child's growth and development, in addition to being responsible for children's education. Schools and teachers also promote not only children's education but also the development of self-identity, self-existence, and self-exploration. Community Service activities, namely 'Educational Webinar on the Role of Parents in Child Development and Family Well-being'. The activity was held in the Tunas Indonesia Junior High School in Bintaro, on March 26, 2021. This activity aims to optimize the role of parents in the child's growth and development and build a Family Well-Being. The method used was a health education which consists of two sessions, namely: 'The Concept of Family Welfare' and 'The Role of Parents in Optimizing Children's Growth and Development. The webinar was attended by 63 participants including 10 teachers, 21 parents, and 32 students. The following were the outcomes of the activities: (1) Family characteristics; 82.6% of participants belonged to a nuclear family, 95.7% of participants had close family ties, 95.7% spent quality time on a regular basis (weeks/months), and 43.5% prioritized family ties, (2) Child growth and development; the majority of the child's accomplishments in physical and psychosocial aspects, (3) The knowledge of parents and teachers related to the topic is still low, as evidenced by the average pre-test score (n = 23) of 4.58 and the average post-test score of 3,56 (n=18), (4) Participants and school (partner institution) passionately participated in the activity from beginning to end and rated it acceptable and satisfactory. Activities can be sustainable and parents may become more involved in their children's growth and development. Keyword: Family, Role of Parents, Child Growth and Development, Well-Being