The Caltech Undergraduate Admissions Office offers separate group tours on a first-come, first-served, limited basis. This tour arrangement is intended for groups of 10 or more high school aged students (grades 9-12) and designed for students who are specifically interested in applying to Caltech to pursue an undergraduate degree.Requests must be made at least 3 weeks in advance of your date, and we cannot guarantee that we will be able to accommodate your request. Because of our limited availability for these requests, here are few things to keep in mind: