upper middle class
US /ˌʌp.ɚ ˌmɪd.əl ˈklæs/
UK /ˌʌp.ɚ ˌmɪd.əl ˈklæs/

1.
the social group consisting of prosperous professional and business people regarded as belonging to the upper part of the middle class
:
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They live in an affluent neighborhood, typical of the upper middle class.
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Many members of the upper middle class prioritize education and career advancement.