Dogfennau Allweddol Llawlyfr yr Ysgol 2021 Llawlyfr Derbyn 2021 Swyddogion Diogelu Plant Addysg Gymraeg – Canllaw i Rieni / Gwarcheidwaid “What Estyn inspectors thought of Ysgol Treganna, one of Cardiff’s most popular Welsh language schools.“ Grant Amddifadedd Disgyblion 2021-22
