yes, all secondary and tertiary institutions of learning with a real existence  are considered notable in Wikipedia. This  is based on the assumption that suitable sources can be found , altho in some areas we may have difficulty in finding them. I agree that the article you are marking for deletion need better references and more information, but it would be more fruitful to work on adding this than on deleting therm. You are apparently in almost a unique position to help here, and I urge you to improve the quality of our coverage.  We've done this for the UK, and for most of the US and Canadawhy should Sri Lanka be any the less well covered here? '''''' ( talk )