Trinity College
- Anglican Church of Australia
- Bronte International University
- Fuzhou Foreign Language School
- Glenalmond College
- Holy Trinity College (disambiguation)
- Trinity Baptist College
- Trinity Bible College and Graduate School
- Trinity Catholic College, Auburn
- Trinity Catholic College, Goulburn
- Trinity Catholic College, Lismore
- Trinity Catholic College, Middlesbrough
- Trinity Christian College
- Trinity College (Connecticut)
- Trinity College Dublin
- Trinity College Kirk
- Trinity College London
- Trinity College Nabbingo
- Trinity College Rancagua
- Trinity College School
- Trinity College of Arts and Sciences
- Trinity College of Florida
- Trinity College of Vermont
- Trinity College of the Bible and Theological Seminary
- Trinity College, Beenleigh
- Trinity College, Bristol
- Trinity College, Cambridge
- Trinity College, Gawler
- Trinity College, Glasgow
- Trinity College, Kandy
- Trinity College, Leuven
- Trinity College, Melbourne
- Trinity College, Moka
- Trinity College, Oxford
- Trinity College, Perth
- Trinity College, Toronto
- Trinity High School (disambiguation)
- Trinity International University
- Trinity Laban Conservatoire of Music and Dance
- Trinity Lutheran College (Queensland)
- Trinity Lutheran College (Washington)
- Trinity School (disambiguation)
- Trinity Seminary (disambiguation)
- Trinity Theological College, Perth
- Trinity Theological College, Singapore
- Trinity University (disambiguation)
- Trinity University College
- Trinity University of Asia
- Trinity Washington University
- Trinity Western University
- Uniting Church in Australia
- University of Western Australia