An kafa Kwalejin Rainbow a 1996 a Najeriya . Tana nan a kilo mita 39 Lagos / Ibadan a hanyan , jihar Ogun . Yana hidimar shirya samari da 'yan mata don ƙarin ilimi ko dai a wata jami'a a Najeriya ko kuma a wasu wurare na duniya. Kwaleji ce da ke ba da shirye -shiryen ilimi ga ɗaliban dukkan ƙasashe. Ilimin ilimi a kwalejin yana ɗaukar shekaru shida kuma ya ƙunshi shekaru uku a Makarantar Sakandare ta Jiniyo sannan shekara uku a Babban Sakandare. Wasu daga cikin yarukan da ake bayarwa a kwalejin Rainbow sun haɗa da yaren Ingilishi, Faransanci, yaren Yarbanci, da yaren Igbo Babbar Makarantar Sakandare ta mai da hankali kan shirye -shirye kan manyan jarabawa uku: Jarrabawar Takaddun Makarantar Sakandare ta Yammacin Afirka (WASSCE), Majalisar Jarrabawa ta Kasa (Najeriya) (NECO) Babban Makarantar Sakandare ta Makaranta (SSCE), da Babban Takaddar Babbar Jagora ta Duniya (IGCSE) . Bugu da ƙari an shirya ɗalibai don Gwajin Ingilishi azaman Harshen Ƙasashen waje (TOEFL), SAT Reasoning Test (SAT), Jarabawar Matriculation University (UME) Kwamitin Hadin gwiwa da Kwamitin Matriculation (JAMB) da jarrabawar Cambridge . .