Y gwahaniaeth rhwng diwygiadau o "Ysgol uwchradd"

Lleihawyd o 73 beit ,  5 o flynyddoedd yn ôl
B
Bot: Migrating 3 langlinks, now provided by Wikidata on d:q159334
B (tynnu cat dwbl)
B (Bot: Migrating 3 langlinks, now provided by Wikidata on d:q159334)
[[nl:Voortgezet onderwijs]]
[[ja:高等学校]]
[[no:Videregående skole]]
[[pl:Szkoła średnia]]
[[simple:Secondary school]]
[[fi:High school]]
[[sv:Gymnasieskola]]
[[th:ไฮสคูล]]
[[zh-yue:中學]]
[[zh:高級中學]]
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