Rakunan High School was founded by Kukai in 828, during the Heian period, having started in Shugei Shuchiin for the education of citizens; however, Shugei Shuchiin was eventually disgraced and closed after Kukai's death.
洛南高等学校は、空海が平安時代の828年（天長5年）に庶民教育のために設立した綜芸種智院に端を発するとしているが、綜芸種智院は空海の死後、廃れ、廃された。