sister school

基本解释

So we have Chinese(sister school?)lessons.
所以我們有漢語課。（姐妹學校？）
When Catherine Hill’s mother became pregnant while a student at Harvard’s sister school, Radcliffe College, she was discreetly but strongly urged to drop out.
凱瑟琳希爾的母親在哈彿大學的姊妹學校拉德尅利夫學院就讀期間懷孕，學校得知後，慎重的要求其退學。
After returning from Brussels, sister Charlotte and the two will work together to organize the beginning of the school, hanging out, "Bronte sister school" signs.
從佈魯塞爾廻國後，夏洛蒂便和兩個妹妹一起開始籌辦學校，還掛出了“勃朗特姐妹學校”的招牌。

Her sister became a sculptor. After finishing high school at the age of eighteen, Diane married Allan Arbus.
My sister's still in high school, so she'll be, she'll be here, too.
我妹妹還在上高中，所以她也會來這裡。
身爲大學生很快樂 - SpeakingMax英語口語達人
Her sister and brother were already in school when she was born.

After looking at the dismal public schools, my parents enrolled my sister in private school and planned to do the same for me.
FORBES: How Life Insurance Saved My Family