1970

• • 1977. 05. 20 Approval of Daewon Academy Foundation
• • 1977. 06. 08 Founder Dr. Lee Won Hee appointed as chairrman

1980

• • 1983. 10. 07 Founding of Daewon Foreign Language School approved
• • 1984. 03. 02 Founder Dr. Lee Won Hee appointed as principal
• • 1984. 03. 02 School founding and the 1st entrance ceremony
• • 1984. 05. 10 America’s University of Oklahoma becomes sister school
• • 1985. 03. 01 Son Teuk ik appointed as second principal
• • 1986. 03. 01 Shin Heung Nam appointed as the 3rd principal
• • 1987. 02. 12 1st graduation ceremony (666 students)

1990

• • 1991. 05. 10 Taiwan’s Xieheyoude High School becomes sister school
• • 1991. 09. 11 Restructuring as Daewon Foreign Language High School
• • 1993. 03. 01 Lee Jong Young appointed as the 4th principal
• • 1993. 12. 09 Japan’s Seirin High School becomes sister school
• • 1994. 07. 15 Germany’s Heinberg High School becomes sister school
• • 1994. 08. 08 America’s Oregon Episcopal High School becomes sister school
• • 1994. 10. 07 China’s Shanghai Foreign Language High School becomes sister school
• • 1996. 01. 17 China’s Tsinghua University High School becomes sister school
• • 1999. 03. 01 Nam Bong Chul becomes the 5th principal

2000

• • 2004. 06. 17 Jalisco, Mexico’s La Escuela Preparatoria de la UNIVA becomes sister school
• • 2005. 03. 01 Choi Won Ho becomes the 6th principal
• • 2005. 05. 09 China’s Shanghai Shangde Experimental School becomes sister school
• • 2005. 05. 19 China’s High School Affiliated to Renmin University becomes a sister school
• • 2009. 02. 10 The 23rd graduation ceremony (443 students)
• • 2009. 03. 05 The 26th entrance ceremony

2010

• • 2010. 02. 04 The 24th graduation cermony (441 students)
• • 2010. 03. 02 The 27th entrance ceremony
• • 2011. 02. 07 The 25th graduation ceremony (441 students)
• • 2011. 03. 03 The 28th entrance ceremony
• • 2012. 02. 08 The 26th graduation ceremony (431 students)
• • 2012. 03. 01 Kim Il Hyung appointed the 7th president
• • 2012. 03. 02 The 29th entrance ceremony
• • 2013. 02. 06 The 27th graduation ceremony (418 students)
• • 2013. 03. 04 The 30th entrance ceremony
• • 2014. 02. 10 The 28th graduation ceremony (403 students)
• • 2014. 03. 02 Hawaii’s Punahou School began correspondence exchange
• • 2014. 03. 03 The 31st entrance ceremony
• • 2015. 02. 11 The 29th graduation ceremony (378 students)
• • 2015. 03. 01 Kim Chang Ho appointed as the 8th principal
• • 2015. 03. 02 The 32nd entrance ceremony
• • 2015. 09. 01 China’s Qingdao Daewon School becomes sister school
• • 2016. 02. 15 The 30th graduation ceremony (352 students, current total graduates: 16,951)
• • 2016. 03. 01 Yoo Soon Jong appointed the 9th principal
• • 2016. 03. 02 The 33rd entrance ceremony
• • 2017. 02. 08 The 31st graduation ceremony (289 students, current total graduates: 17,240)
• • 2017. 03. 02 The 34th entrance ceremony
• • 2018. 02. 07 The 31st graduation ceremony (284 students, current total graduates: 17,524)
• • 2018. 03. 02 Japan’s Keio Shonan Fujisawa Junior and Senior High School becomes sister school
• • 2018. 03. 02 The 35th entrance ceremony
• • 2019. 02. 12 The 33th gradutation ceremony ( 274 students, current total graduates: 17,798)
• • 2019. 03. 04 The 36th entrance ceremony

2020

• • 2020. 02. 11 The 34th gradutation ceremony ( 273 students, current total graduates: 18,071)
• • 2020. 03. 01 Lee Young Kun appointed the 10th principal
• • 2021. 02. 08 The 35th gradutation ceremony (257 students, current total graduates: 18,328)
• • 2021. 03. 02 The 38th entrance ceremony
• • 2022. 02. 08 The 36th gradutation ceremony(257 students, current total graduates:18,585)
• • 2022. 03. 02 The 39th entrance ceremony