T minus 9 days until Graduation Day! Redhawks, here's what you need to know. Make sure you are dressed in your regalia and checked in at least 30 minutes before your UPDATE: Thanks to the incredible response from the community, GCISD says Colleyville Heritage High School has received more than enough donated graduation gowns to fully replenish its supply for students in need. Red Homecoming Dress, Short Sleeved Graduation Gown,custom Made Red Tulle Long A Line Prom Dress, Off the Shoulder Evening Graduation