CU Boulder's early action deadline is on November 15 and it's a great option for students who are very serious about CU Boulder. If we're at the top of your list, we highly encourage you to apply early action if you're ready. Early action at CU Boulder is non-binding. This means that a student is given full and holistic review for admissions, but if you are admitted, you are not obligated to come to CU Boulder. Knowing your decision early definitely has it's benefits. If you submit a complete application by November 15, you will hear a decision no later than February 1.