UCI Summer Session offers more than 800 courses across 70 academic disciplines each summer, including a wide variety of online classes. It is comprised of three different sessions; Session I and the 10 Week session generally begin in late June and typically finish the last week of July and the end of August, respectively. Summer Session II usually begins in early August and ends in early September. Summer Session makes it possible for students to make progress towards their degree year round, often making a difference for those who want to graduate on time or even early. More than 13,000 students attend UC Irvine each summer.