大中学生

university and high school students

see 大夫[dai4 fu5]

big; large; great / older (than another person) / eldest (as in 大姐[da4 jie3]) / greatly; freely; fully / (dialect) father / (dialect) uncle (father's brother)

China / Chinese / surname Zhong

within / among / in / middle / center / while (doing sth) / during / (dialect) OK / all right

to hit (the mark) / to be hit by / to suffer / to win (a prize, a lottery)

to learn / to study / to imitate / science / -ology

to be born / to give birth / life / to grow / raw / uncooked / student

student / schoolchild

middle school / CL:個|个[ge4]

middle-school student / high school student