The Summer Institute in Mathematics and Science (SIMS) is a 3-week academic preparation and research training program for incoming first-year students intending to enroll at UCSB directly from high school in the Fall 2024. The program will be held in person, in accordance with local COVID-19 guidelines. SIMS includes academic skills development, early undergraduate research, mentoring, community building, career awareness, personal and professional development that prepare first-year students to be competitive for subsequent academic and training opportunities, leading toward advanced degree programs or directly into the workforce.