Waalaikumussalam warahmatullahi wabarakatuh.
Bismillahir rahmaanir rahim.
It is unfortunate that nowadays free mixing is being regarded as something normal in our society and is very rampant even amongst our own Muslim brothers and sisters. Alhamdulillah by the grace of Almighty, Allah has put that fikr inside your heart to try to prevent this sickness from spreading further.
Nabi (sallallahu 'alaihi wasallam) has said in a hadith : Whoever sees an act of disobedience from amongst you being committed, he should prevent it using his hand. If he is not capable, then using his tongue. If he is not capable, then using his heart and that is the lowest form of iman. (Muslim)
Insha Allah by you writing an article that will be handed out to other students, you shall be rewarded due to practising the hadith above.
May these links below be of use to you in writing your article insha Allah :
And Allah knows best.