Nouns ending in -ège are masculine.
Is collège masculine or feminine?
lecollège
The rule behind it
100% of -ège nouns are masculine
In context
Chris est très anxieux d'aller au collège.
Chris is very anxious to go to college.
Je pense que tu devrais aller au collège.
I think you should go to college.
Dan et Linda sont amoureux depuis le collège.
Dan and Linda were high school sweethearts.