| Genre: | Variety |
| Starring: | Kang-nam, Kim Jeong-hoon |
| Country: | South Korea |
| Language: | Korean |
| Producer: | Kim No-eun Choi Chang-soo Jung Seung-il Jung Jae-hoon Moon Min-jeong Ko Hye-jin |
| Location: | South Korea |
| Runtime: | approximately 70 minutes per episode |
| Network: | JTBC |
| Num Episodes: | 68 |
Welcome Back to School (also known as Off to School, I'm Going to School; Oh, I'll Go to School; and Going to School; Romanization: Hakgyo danyeo ogesseubnida) was a 2014 South Korean variety program where celebrities attended a selected high school as students for 3 days. It starred M.I.B's Kang-nam and Kim Jeong-hoon[1] as fixed members. Despite a few changes in its time slot over the show's history, it aired on JTBC on Tuesdays at 9:30 pm KST from July 12, 2014 to November 3, 2015.[2] [3]
| Episodes | Date | School | Cast members | |
| 1–5 | – | Sunjung High School | Sung Dong-il, Yoon Do-hyun, Nam Joo-hyuk, Brian Joo, Hye-rim Park, Kim Jong-min, Heo Ga-yoon (4Minute), Kang-jun (C-Clown) | |
| 6–9 | – | Shinjang High School | Sung Dong-il, Yoon Do-hyun, Nam Joo-hyuk, Brian Joo, Hye-rim Park, Kim Jong-min, Hong Eun-hee, Jo Kwon (2AM) | |
| 10–14 | – | Incheon Foreign Language High School | Sung Dong-il, Yoon Do-hyun, Nam Joo-hyuk, Kang-nam (M.I.B), Oh Sang-jin, Heo Ji-woong | |
| 15–18 | – | High School Attached to the Education College of Inha University | Sung Dong-il, Yoon Do-hyun, Nam Joo-hyuk, Kang-nam (M.I.B), Park Myeong-su, Enes Kaya, Julian Quintart | |
| 19–22 | – | Ilsan Daejin High School | Sung Dong-il, Yoon Do-hyun, Nam Joo-hyuk, Kang-nam (M.I.B), Lee Jong-hyuk, Jang Ki-ha, Han Sang-jin | |
| 23–25 | – | Korea University High School | Sung Dong-il, Yoon Do-hyun, Nam Joo-hyuk, Kang-nam (M.I.B), Lee Jong-hyuk, Bobby Kim, Jingo (Super Kidd) | |
| 26 | January 3, 2015 | Kang-nam & Joo-hyuk Couple Special | Nam Joo-hyuk, Kang-nam (M.I.B) | |
| 27–29 | – | Hanyang Technical High School | Sung Dong-il, Yoon Do-hyun, Nam Joo-hyuk, Kang-nam (M.I.B), Jeong Jun-ha, Jo Dong-hyuk, Jang Ki-yong | |
| 30–33 | – | Seogwipo Industry Science High School | Sung Dong-il, Nam Joo-hyuk, Kang-nam (M.I.B), Kim Hee-won, Lee Kyu-han, Lee Jung-shin (CNBLUE) | |
| 34–35 | – | Nam Joo-hyuk, Kang-nam (M.I.B) | ||
| 36–39 | – | Nam Joo-hyuk, Kang-nam (M.I.B), Jun Hyun-moo, Ha-ni (EXID), Kang Yong-suk, Eun Ji-won, Kang Gyun-sung (Noel), Ji-min (AOA) | ||
| 40–43 | – | Kang-nam (M.I.B), Eun Ji-won, Tae-min (SHINee), Yura (Girls' Day), Ga-in (Brown Eyed Girls), Lee Ah-hyun, Kang Seul-gi (Red Velvet), Huh Gak, Jo Young-nam | ||
| 44–46 | – | Han-min High School | Kang-nam (M.I.B), Kim Soo-ro, Kim Sung-joo (UNIQ), Hyo-sung (Secret), Yoon So-hee, San E, Hong Jin-kyung, Kim Bum-soo (announcer) | |
| 47–50 | – | Goyang International High School | Kang-nam (M.I.B), Lena Park, Son Ho-jun, Kim Jeong-hoon, Ahn Nae-sang, Oh Jung-yeon, Seung-hee (DIA) | |
| 51–52 | – | Jeju Hanlim High School | Kang-nam (M.I.B), Kim Jeong-hoon, Kim Bum-soo (announcer), Jin-woon (2AM) | |
| 53–56 | – | Kang-nam (M.I.B), Kim Jeong-hoon, N (VIXX), Jung Eun-ji (Apink), Go Joo-won, Ricky Kim, Kang Seung-hyun | ||
| 57–58 | – | Kang-nam (M.I.B), Kim Jeong-hoon, Jeong Jun-ha, Shim Hyung-tak | ||
| 59–62 | – | Seo Incheon High School | Kang-nam (M.I.B), Kim Jeong-hoon, Hong Jin-ho, Han Seung-yeon (KARA), Shin Soo-ji, Choo Sung-hoon, Shaquille O'Neal[4] | |
| 63–65 | – | Gimpo Jeil High School | Kang-nam (M.I.B), Kim Jeong-hoon, Pyo Chang-won, Kim Young-ho, Lee Ki-chan, Kim Yoo-mi, Kim Nam-joo (Apink) | |
| 66–68 | – | Kang-nam (M.I.B), Kim Jeong-hoon, Lee Jun-seok, Sam Hammington, Fujii Mina, Yenny (Wonder Girls), Heyne |