Please include the students' full name used in their application (no nicknames) and the high school they attend. Santa Clara University requires one letter of recommendation for undergraduate applicants.The letter should ideally come from a teacher who knows you well. With a GPA of 3.73, Santa Clara University requires you to be above average in your high school class. Assuming you're asking for graduate application, below are the steps which will facillitate your application process. Santa Clara University requires several components for a complete application. Here's a list of the necessary materials for your submission. Net, calling (408) 423-3596. What GPA Do I Need To Get Into Santa Clara University? Students admitted to Santa Clara University have an average unweighted GPA of 3.7.