original question: [Twelfth grade] is the highest grade taught by which school districts?
answer: washoe county school district, lafourche parish public schools, clear creek independent school district...
answer type: School district.
auxiliary information: Twelfth grade, Senior year, or Grade 12 are the North American names for the final year of secondary school. In most countries students then graduate at age 17 or 18. In some countries, there is a thirteenth grade, while other countries do not have a 12th grade/year at all. Twelfth grade is typically the last year of high school.
Which school district teaches [Twelfth grade] as the highest grade taught?