How to make my cold go away faster?

Ok i am 10 years old a I have had a VERY bad stuffy nose i have been sneezing and my head hurts this has been for 7 days i am taking motrion and some kids nyquil at night but it isnt helping my temp is 99.5 and I am really tired and REALLY dont feel like going to school tomorrow I have to stay at school for 8 hours tomorrow 8-4:30 i have after school math tomorrow but i have already missed like 20 days cause i have have strep throat and been sick so i cant miss but how can i make it go away like seriously i am blowing my nose and yellow,white and light green stuff comes out help!