Holy Trinity School
- Guildford
- Holy Trinity (disambiguation)
- Holy Trinity Academy (disambiguation)
- Holy Trinity Catholic High School (disambiguation)
- Holy Trinity Catholic School, Birmingham
- Holy Trinity Catholic Schools
- Holy Trinity Catholic and Church of England School
- Holy Trinity College (disambiguation)
- Holy Trinity High School (disambiguation)
- Holy Trinity School (Richmond Hill)
- Holy Trinity School (Washington, D.C.)
- Holy Trinity School, Allahabad
- Holy Trinity School, Crawley
- Holy Trinity School, Kidderminster
- Kanjikode