Welcome to St Telios
St Telios Dragon

Latest
News

Friday 26 September 2025

PISA 2025

Monday 15 September 2025

Letter from the Headteacher (2025-26) 2

Thursday 4 September 2025

Letter from the Headteacher (2025-26) 1

Our beliefs

Find out more about what we believe.

Student Zone

Log in to access emails, Office 365, blended learning and more!

Admissions

Apply for admission to St Teilo's Church in Wales High School.

Upcoming
Events

Monday 6 October 2025

Year 13 Llandaff Cathedral

Tuesday 14 October 2025

Year 6 Open Evening

No appointment necessary. Headteacher presentation is repeated at 5pm, 5.30pm, 6pm and 7pm. Consider attending a later presentation (as the school is busiest from 5pm).

Tuesday 21 October 2025

Sixth Form Open Evening

Safeguarding

Keepings learners safe at St Teilo's.

Our Mission

St Teilo’s is a community of learning, formation and flourishing. You are invited to contribute to our mission of excellence, equity and faith.

At St Teilo's, we are called to be fully the person God is calling us to be.

Learn more