You might have noticed that there's summer school right before high school.

你可以看到高中之前也有一个暑期班。

youdao

At the end of each year there's always a PROM right before high school graduation.

在每年的年底的时候，都会在高中毕业之前举行一个舞会。

youdao

I was allowed to stop playing the violin and piano before high school, I had far from a 4.0 GPA and was still allowed to celebrate birthdays and Christmas.

我被允许在高中之前停止学习小提琴和钢琴，我的成绩绩点远没有达到4.0的满分，而且我仍然被允许过生日和圣诞节。

youdao

In the last show before the break, the group competed against two other high school glee clubs, and won the competition.

VOA: special.2010.01.08

for a while before deciding, "I'd rather teach high school

那是在我下决定之前的一段时间，“我宁愿教高中，

我的专业 - SpeakingMax英语口语达人

He compared obesity rates and physical activity levels of women who had been in high school before and after Title Nine took effect.

VOA: special.2010.03.04

Common Core grew from an effort by the National Governors Association and the Council of Chief State School Officers to create a list of college- and career-ready skills that students should possess before high-school graduation.

WSJ: New School Standards Spur a Backlash

Two in five students still drop out before finishing high school.

ECONOMIST: Chicago��s schools: Drawn upwards | The

Data on the extent to which students drop out of school before receiving a high school diploma also correlate with measures of family income and parental education.

UNESCO: II Part Analytic Section