They used to separate boys and girls in elementary, junior high, and high school classes, but that's not done now in today's increasingly open society. Young boys and girls have a lot more opportunity to come in contact, so sex education is naturally very important.
尤其以前國小、國中、高中男女生都分班，現在社會越來越開放，國小、國中、高中也早已合班了，少男少女有更多接觸機會，性教育的推廣自然十分重要，貴刊「性教育列車開動」一文也反映了這種趨勢。