This appears as the elementary school where Ji Yoon-soo (Im Soo-jung) teaches math in final episode 16 of Melancholia (멜랑꼴리아) (tvN, 2021).
Jumun Elementary School — Samdeok Branch [주문초등학교 삼덕분교장], established in November 1957, is a small school with around 17 students. It is located in the village of Jangdeok [Jangdeok-ri/장덕리] in Gangneung’s Jumunjin Township [Jumunjin-eup/주문진읍]; in short distance to/from HYGGE B&C [휘게비엔씨].
410-8 Sillicheon-ro, Jumunjin-eup, Gangneung, Gangwon-do, South Korea
강원 강릉시 주문진읍 신리천로 410-8
(주문진읍 장덕리 551)
Geolocation: 37.878459, 128.788568
— submitted by GGRIP; last updated 18/05/2022