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1923
茨城県立下館第一高等学校（いばらきけんりつ しもだてだいいちこうとうがっこう）は、茨城県筑西市（旧下館市）にある県立高等学校。通称「館一（だていち）」「館高（だてこう）」。2020年4月から中高一貫校。
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