Class vs Course

When to use each in English, with meaning, register, and examples.

Class

Top 1,000 (very common)A1noun

Course

Top 1,000 (very common)A1noun
 ClassCourse
Pronunciation🇬🇧 /["/klɑːs/"]/🇺🇸 /["/klæs/"]/🇬🇧 /["/kɔːs/"]/🇺🇸 /["/kɔːrs/"]/
MeaningA group of students who study together.A series of lessons about a particular subject.
ExampleI have math class at 10 AM today.I am taking a math course this semester.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 1,000 (very common)
CEFR levelA1A1
Part of speechnounnoun
Collocationsbig, large, small, attend, go to, take, be easy, be hard, be available, member, teacher, size, in (a/​the) class, class in, the back of the class, the front of the class, be top of the class, big, large, small, attend, go to, take, be easy, be hard, be available, member, teacher, size, in (a/​the) class, class in, the back of the class, the front of the class, be top of the class, big, large, small, attend, go to, take, be easy, be hard, be available, member, teacher, size, in (a/​the) class, class in, the back of the class, the front of the class, be top of the class, leisure, lower, lower-middle, structure, system, consciousness, leisure, lower, lower-middle, structure, system, consciousness, large, small, distinct, constitute, form, class of, be in a class of your own, be in a different class, great, real, have, a touch of classgive somebody, put somebody on, prescribe (somebody), course of, full-time, part-time, one-year, offer, run, complete, golf, nine-hole, obstacle, complete, build, design, golf, nine-hole, obstacle, complete, build, design, main, first, second, for a/​the course, alter, change, reverse, off course, on course, on a collision course, be blown off course, alter, change, reverse, off course, on course, on a collision course, be blown off course, best, better, prudent, adopt, choose, follow, be open to somebody, a course of action, natural, normal, usual, change, reverse, affect, during the course of, in the course of, the course of history, in due course, in the normal course of events, alter, change, reverse, off course, on course, on a collision course, be blown off course, give somebody, put somebody on, prescribe (somebody), course of
Antonymsindividual, solitary, lonerdisorganization, chaos
Common mistakesConfused with 'class' as in social class vs. educational class., Using 'classes' when referring to a single group., Omitting 'of' when saying 'class of students.'Confused with 'course' vs 'coarse' (texture)., Using 'course' to mean a single lesson instead of a series., Saying 'course' like it refers to any subject (it refers specifically to organized classes).
Usage notesUse 'class' to refer to a group in a school setting. It is appropriate for both formal and casual conversations, but avoid using it in contexts outside of education.Used in academic and professional contexts. Not typically used in casual conversation unless discussing education or training.

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Class
Course

Frequently asked questions: Class vs Course

What's the difference between Class and Course?

Class: A group of students who study together. Course: A series of lessons about a particular subject.

Are Class and Course the same CEFR level?

Class: A1, Course: A1 on the CEFR scale.

What part of speech are Class and Course?

Class: noun, Course: noun.

Can you show an example of each?

Class: I have math class at 10 AM today. Course: I am taking a math course this semester.

Can I use Class and Course interchangeably?

Not always. Class and Course are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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