Graduate school or grad school refers to a postgraduate academic program that a student can pursue after completing their undergraduate studies in a college or university. Some synonymous terms that are commonly used to refer to grad school include postgraduate school, higher education, graduate studies, graduate or professional school, and advanced degree program. These programs offer a wide range of specialized courses and degrees such as Master's, Doctorate, Professional degrees, and professional certifications. Grad schools cater to students who are looking to expand their knowledge, enhance their skills, and gain a competitive edge in their respective fields. With such a diverse range of programs available, grad school is a gateway to career advancement and success.