If you are thinking of trying to strengthen your application essay then try and look for organizations who work in the sector you want to work in the future. Call/Email/Message them constantly. In Nepal, actually going to an organization and then asking them if you could volunteer might be more helpful, since people do not check emails regularly. For eg, If I am planning to work in public health sector in the future, I would go to hospitals/health clinics and figure out if I could help.
However, if you are trying to enjoy your time out of school then there are tons of was- traveling, spending more time with friends and family, going out for movies and stuffs, etc.