class
noun
klɑːs 
klæs in education
1 [countable + singular or plural verb] a group of students who are taught togetherWe were in the same class at school.She is the youngest in her class.He came top of the class.The whole class was/were told to stay behind after school.2 [countable, uncountable] an occasion when a group of students meets to be taughtSynonym
lessonI was late for a class.See me after class.She works hard in class (= during the class).I have a history class at 9 o'clock.3 [countable] also classes [plural] a series of classes on a particular subjectSynonym
courseI've been taking classes in pottery.Are you still doing your French evening class?4 [countable + singular or plural verb] (especially North American English) a group of students who finish their studies at school, college or university in a particular yearthe class of 2008in society
5 [countable + singular or plural verb] one of the groups of people in a society that are thought of as being at the same social or economic levelthe working/middle/upper classThe party tries to appeal to all classes of society.the professional classes6 [uncountable] the way that people are divided into different social and economic groupsdifferences of class, race or genderthe class systema society in which class is more important than abilitygroup of people/animals
7 [countable] a group of people, animals or things that have similar characteristics or qualitiesIt was good accommodation for a hotel of this class.different classes of drugsDickens was in a different class from (= was much better than) most of his contemporaries.As a jazz singer she's in a class of her own (= better than most others). see also first-class, high-class, low-class, second-classskill/style
8 [uncountable] an elegant quality or a high level of skill that is impressiveShe has class all right—she looks like a model.There's a real touch of class about this team.in train/plane
9 [countable] (especially in compounds) each of several different levels of comfort that are available to travellers in a plane, etcHe always travels business class.The first-class compartment is situated at the front of the train. see also business class, economy class syndrome, first class, second-class, third-class, tourist classof university degree
10 [countable] (especially in compounds) one of the levels of achievement in a British university degree exama first-/second-/third-class degreebiology
11 [countable] a group into which animals, plants, etc. that have similar characteristics are divided, below a phylum compare family, genus, speciesIdioms
see the chattering classes at chatter verb
Usage note: EducationLearningacquire/get/lack (an) education/training/(British English) (some) qualificationsreceive/provide somebody with training/tuitiondevelop/design/plan a curriculum/(especially British English) course/(North American English) program/syllabusgive/go to/attend a class/lesson/lecture/seminarhold/run/conduct a class/seminar/workshopsign up for/take a course/classes/lessonsSchoolgo to/start preschool/kindergarten/nursery schoolbe in the first, second, etc. (North American English) grade/(especially British English) year (at school)study/take/drop history/chemistry/German, etc.(British English) leave/finish/drop out of/(North American English) quit school(North American English) graduate high school/collegeProblems at schoolbe the victim/target of bullying(British English) play truant from/(both British English, informal) bunk off/skive off school (= not go to school when you should)(both especially North American English) skip/cut class/school(British English) cheat in/(North American English) cheat on an exam/a testget/be given a detention (for doing something)be expelled from/be suspended from schoolWork and examsdo your homework/(British English) revision/a project on somethingwork on/write/do/submit an essay/a dissertation/a thesis/an assignment/(North American English) a paperfinish/complete your dissertation/thesis/studies/courseworkhand in/(North American English) turn in your homework/essay/assignment/paperstudy/prepare/(British English) revise/(North American English) review/(North American English, informal) cram for a test/an examtake/(both British English) do/sit a test/an exam(especially British English) mark/(especially North American English) grade homework/a test(British English) do well in/(North American English) do well on/(informal, especially North American English) ace a test/an exampass/fail/(informal, especially North American English) flunk a test/an exam/a class/a course/a subjectUniversityapply to/get into/go to/start college/(British English) universityleave/graduate from law school/college/(British English) university (with a degree in computer science)study for/take/(British English) do/complete a law degree/a degree in physics(both North American English) major/minor in biology/philosophyearn/receive/be awarded/get/have/hold a master's degree/a bachelor's degree/a PhD in economics