tertiary education
US /ˌtɜːr.ʃi.er.i ed.jʊˈkeɪ.ʃən/
UK /ˌtɜːr.ʃi.er.i ed.jʊˈkeɪ.ʃən/

1.
education at university or college level
:
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Many students pursue tertiary education after completing high school.
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Access to affordable tertiary education is crucial for economic development.