Class

クラス

kurasu

(group of students in a regularly scheduled meeting with a teacher)

クラス

kurasu

(category of seats in an airplane, train or other means of mass transportation)

クラス

kurasu

(object-oriented programming: set of objects possibly differing in state but not behavior)

学年

gakunen

(group of students who commenced or completed their education during a particular year)

学級

gakkyū

(group of students in a regularly scheduled meeting with a teacher)

授業

jugyō

(series of classes covering a single subject)

種類

shurui

(group, collection, category or set sharing characteristics or attributes)

等級

tōkyū

(group, collection, category or set sharing characteristics or attributes)

綱

kō

(taxonomy: classification below Phylum and above Order)

階層

kaisō

(social grouping, based on job, wealth, etc.)

階級

kaikyū

(social grouping, based on job, wealth, etc.)

集合

shūgō

(set theory: collection of sets definable by a shared property)