A required course is a class that is necessary for a student to take in order to fulfill a specific degree or program requirement. Some synonyms for required course are compulsory class, mandatory subject, essential module, necessary unit, and obligatory curriculum. These terms indicate that the course cannot be avoided or substituted, and is crucial for a student's academic success. Other synonyms for required course include core class, fundamental subject, basic requirement, and key discipline. These words imply that the course is foundational or essential to a particular field of study. Whether called a required course or any of its synonyms, completing these classes is an important step towards obtaining a college degree.