Where was Crows Zero filmed?

2007 Japanese film

Crows Zero (2007) was filmed in 大阪府立高槻南高等学校, 1 place named in its Japanese Wikipedia’s その他 section, in Japan. Wikidata records no filming location for it at all, so the article is the only recorded source. Each place says where its claim comes from.

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Places per Japanese Wikipedia's その他 section

Japanese Wikipedia’s その他 section names 1 place. Each links to the sentence that says so.