Did the drama School 2015 tell us how Jung Soo-in died and how Go Eun-byul got her neck injured? If so, which episode is it in?

Yes, Go Eun Byul suffered a neck injury in episode 7 (Yeon Mi pushed Eun Byung to the ground and cut her neck), and episode 14 tells the cause of Jung Soo In's death.

Episode 7: Enfei was questioned by Jiang Xiaoying and Han Yi'an at the same time

Plot summary: Jiang Xiaoying took Li Enfei's test paper home and gave it to her father to check the handwriting. Jiang's father tore up the test paper and gave him a meal. chatter. After she returned to the room, Jiang's father went to the trash can again, picked up the torn paper and checked the handwriting. Because the students were studying in Tongyeong during their previous travel studies, the school asked them to form a team and write an evaluation. Lee Eun-bi saw something wrong with Eun-sung's photos in Tongyeong and began to investigate what happened before Go Eun-sung's disappearance. Eun-sung had met Lien-mei because Lien-mei always received text messages from the dead Soo-in, and she thought it was Eun-sung. Xing sent it on Soo In's mobile phone. During the push, Go Eun Xing fell to the ground and was scratched on his neck.

Episode 14: Eun-sung and Sister Soo-in reconcile and Eun-bi returns to Seoul

After Go Eun-sung came back, she went to Teacher Kim and told her about Soo-in. She didn’t want to escape anymore. Teacher Jin also believed that he made more mistakes and did not hesitate to surrender to the police station to correct his mistakes. Kong Tae Kwang found out from the records that the time of Jung Soo In's death had been tampered with. When he got home at night, he took out the record of Jung Soo In's death on his cell phone and showed it to his father. Kong's father was surprised and scolded Kong Tae Kwang for meddling in other people's business.

Kong Taiguang has already guessed that his father changed the time of Zheng Xiuren's death. The advantage of changing the time of death is to prove that Zheng Xiuren did not die in school. In this way, Kong's father, as the principal of the school, does not have to bear any responsibility. Teacher Jin had already known about Kong’s father changing the time of Zheng Xiuren’s death. After careful consideration, he persuaded Kong’s father not to make any mistake again.

Extended information:

Plot summary——

The situation of Shijiang High School, a famous high school in Jiangnan that has been isolated one morning, was overturned. The character's Lee Eun-bi and the rising star with eight-pack abs, the swimming genius surrounded by the spotlight of the media and the public, Han Yi-an, the recognized school darling of Sejiang High School who is cold on the outside and hot on the inside, as well as the time bomb, troublemaker, and four of Sejiang High School. The dimensional boy Kong Taiguang, what kind of sparks will collide between them.

A pair of twins were separated because their elder sister, Go Eun-sung, was adopted. Their younger sister, Li Eun-bi, stayed in a kindergarten to grow up with other children and developed a cheerful character even if she was bullied. After being adopted, Eun-sung was educated by her adoptive mother and became a perfect girl who took first place in junior high school and high school. However, an accident caused her inner wounds. When Eun-sung decided to look for his sister Eun-bi on their graduation trip, an accident gave the two people a different destiny.