"school is on vacation in August" 或 "school is closed in August" 是表达学校在八月放假的常用说法。
来源：
vacation 来自拉丁语“vacatio”，意为“空闲时间”或“假期”。
closed 来自中古英语“clænsian”，意为“关闭”。
英文例句及中文翻译：
"The school will be closed in August for the summer break."
"学校将在八月放暑假。"
"I'm looking forward to the school vacation in August."
"我期待着八月的学校假期。"
"We'll have to finish our project before the school goes on vacation in August."
"我们必须在八月学校放假之前完成我们的项目。"