The first step to starting your future at Collin College is to complete the credit online admissions application through Apply Texas. Whether you're attending college for the first time or changing careers, Collin College offers opportunities for everyone.Step 1: Apply for Admission. If this is your first time to take any classes with Collin College, you will need to complete an admission application. 1. Complete application for admission. It looks like last year it was July, but they had a later application deadline too.. You don't need to fill out a form but you need to verify the specific classes you want to take with your UTD advisor.