About California Institute of Technology - College Confidential Forums California Institute of Technology 📍 Pasadena, CA • 4-year Private • Acceptance Rate 3% Caltech is a private university in Pasadena, California Caltech was founded in 1891 and enrolls 2,518 students Quick Facts Total Enrollment 2,518 Campus Setting city Admission rate 3% Tuition and fees In State $63,255 Out-of-State $63,255 Paying For College See The Official 2024-2025 CC Calendar