班际 meaning in English

interclass

I never participated in any class discussions throughout high school and college . never ! i would never raise my hand and ask a question
在念高校和大学期间，我从没有参与班际活动，也从没有举手问问题。
It aimed at encouraging primary school students to think and act environmentally - friendly at school , at home and in their community
奖励计划欢迎全港小学参与，分别以环保约章创作及班际习作比赛形式进行。
This year , 51 244 students from 82 schools participated in the environmental pledge and made a commitment to protect the environment . 98 class projects submissions were received involving 2 661 students
本年共有来自82间学校的51 244位学生参加环保约章创作，承诺积极参与保护环境，大会亦收到由2 661位同学递交的98份班际习作。