年生 (ねんせい)pupil in ... year; student in ... year

年生, its kanji, and other words that share them.Open this graph

Kanji in 年生

今年ことしthis year
前年ぜんねんthe preceding year; the previous year
年間ねんかん(period of) a year
昨年さくねんlast year
来年らいねんnext year
一昨年おととしyear before last
周年しゅうねんwhole year; entire year
少年しょうねんboy; juvenile
学生がくせいstudent (esp. a university student)
生活せいかつliving; life (one's daily existence)
生産せいさんproduction; manufacture
人生じんせい(human) life (i.e. conception to death)
先生せんせいteacher; instructor
厚生省こうせいしょうMinistry of Health and Welfare (now Ministry of Health, Labour and Welfare)
新生しんせいrebirth; new birth
生徒せいとpupil; student

See how 年生 connects to the rest of Japanese.