SriLanka-Places.com listou aprox 74 escolas dentro Colombo. Alguns dos mais bem avaliados escolas dentro Colombo estão- St. Mary's College, Mahawaththa St.Anthony's Sinhala Vidyalaya, Kanapathy Hindu Ladies College, Magammana Maha Vidyalaya, Arethusa College, ACE Institute, Instituto Al Huda, A K Nathan Academy of English Studies, Prince College & Rajasinghe Maha Vidyalaya.