“私立中小学”可以翻译为 private primary and secondary schools 。
“private” 表示“私人的、私立的” ；
“primary school” 指“小学” ；
“secondary school” 指“中学” 。
例如：Many parents choose to send their children to private primary and secondary schools for better educational resources.（许多家长选择把孩子送到私立中小学，以获取更好的教育资源。 ）