In higher education in various countries, such as Canada, Nigeria and the United States, a course is a unit of teaching that typically lasts one academic term, is led by one or more instructors, and has a fixed roster of students. A course usually covers an individual subjectIn higher education in various countries, such as Canada, Nigeria and the United States, a course is a unit of teaching that typically lasts one academic term, is led by one or more instructors, and has a fixed roster of students. A course usually covers an individual subjectIn higher education in various countries, such as Canada, Nigeria and the United States, a course is a unit of teaching that typically lasts one academic term, is led by one or more instructors, and has a fixed roster of students. A course usually covers an individual subjectIn higher education in various countries, such as Canada, Nigeria and the United States, a course is a unit of teaching that typically lasts one academic term, is led by one or more instructors, and has a fixed roster of students. A course usually covers an individual subject