城南中学校は岡山県赤磐市にあった学校。「白い廃校」「白亜の廃校」の通称で知られる。 仁美中学校と統合し赤磐市立吉井中学校となり廃校。 かつては、立ち入りは可だが必ず原状回復するように、との張り紙があったが、2017年8月現在、校舎のフェンスに「立ち入り禁止」の張り紙があり、入り口の門に真新しい鎖と南京錠が掛けられ、厳重に管理されている。
Seongnam middle school was a school in Akaiwa, Okayama Prefecture. It is known as "white school" and "school of white school". Integrated with Hitomi Junior High School and became Akaiwa Municipal Yoshii Junior High School and closed school. In the past, although there was a postcard to make sure that the entrance was acceptable, there was a postcard to always restore its original condition, but as of August 2017 there was a "no-limits" poster on the school building, a brand new chain and a padlock on the entrance gate It is multiplied and it is strictly managed.