Usami was admitted to a voluntary school "Long Island high school."

宇佐美考上了志愿学校“长岛高中”。

youdao

He then went to study at a voluntary school in Qingdao in 2004, but dropped out because the learning environment there was not good.

2004年，他前往青岛一所民办学校学习，但因为学习环境欠佳遂选择退学了。

youdao

youdao

And this term, the court limited voluntary school desegregation plans in public schools and that's just three years after the court upheld affirmative action in higher education.

NPR: The Supreme Court Shifts Direction

In fact Danish youngsters belong to more out-of-school clubs and voluntary organisations than any of their European counterparts.

BBC: The young Danes undaunted by Europe's problems

Owing to the fact that participation in pre-school education is voluntary, ministers say they are now aiming to make sure 85% of youngsters in this age group take part in nursery education.

BBC: nursery