All independent schools were invited to attend one of a series of engagement sessions in November 2021 and were encouraged to share the Call for Evidence with their pupils and parents.
Gwahoddwyd pob ysgol annibynnol i fynd i un o gyfres o sesiynau ymgysylltu ym mis Tachwedd 2021 ac fe'u hanogwyd i rannu'r Cais am Dystiolaeth â'u disgyblion a rhieni hefyd.