Olashore International school is a private co-educational boarding secondary school for 600 students located in Osun State, Nigeria. It is listed in the top schools in Nigeria. It was established by Oba Oladele Olashore Ajagbusi-Ekun of Iloko-Ijesa, where he was king, in 1993. The School's motto is "Honesty, Service and Honour". The school believes in the dignity and worth of each student and recognises the importance of mutual responsibility in the world community. It was founded to offer the quality boarding education to Nigerians, living at home or abroad, who wish to provide their children with an international standard.
Olashore International School recently celebrated 20 years of establishment in Lagos.