intermediate school n. A school having grades at a level between the lower primary grades and the upper secondary grades, being variously grades 4 through 6, or grades 7 through 9, etc.
... single intermediate school for girls in all Portugal. In 1883, the Portugese parliament took up the subject of intermediate instruction, and discussed the question in its relation to women, and the progress in this direction realized ... — History of Woman Suffrage, Volume III (of III) • Various
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