What are the reasons for the discrepancy between girls' and boys' performance in school?

女生和男生在学校表现不同的原因何在呢？

《牛津词典》

Ashley was outspoken, fashionable, and the "Queen Bee" in my school.

艾什莉直言不讳，赶时髦，是我们学校的“社交界女王”。

youdao

Both left school in the fourth grade in Mexico and are resident aliens in the United States.

在墨西哥时两个人都是在4年级退的学，现在都是居美外侨。

《柯林斯英汉双解大词典》

Researchers at Harvard University in the United States and the Stockholm School of Economics in Sweden did the study.

VOA: special.2009.10.21

Host: Flashback 29 years ago, and put yourself in the seat here and pretend you were still in school.

主持人：回首29年前，假装你还坐在这儿,还在商学院念书。

斯坦福公开课 - 微软CEO-Steve.Ballmer谈科技的未来课程节选

you just like, continue living in your house and like, doing the life you used to do in high school.

你会呆在屋子里，过着像高中一样的生活。

来自西班牙 - SpeakingMax英语口语达人

And in the school district where I visited in Decatur, Georgia, you're already seeing closing of the achievement gap.

WHITEHOUSE: Vice President Biden Speaks to National Governors Association | The White House

And then also help for low-performing schools, Lafeyette, Indiana, for example, they were able to extend the school day, and in fact the school year, for two of the most struggling schools.

WHITEHOUSE: Press Briefing

The day after the incident there's an eerie feel around the school, but today has gone normally, which is great to see, and hopefully the pupils in the school will put the incident behind them over the weekend and continue with normal life.

BBC: Belfast school's story