The number of pupils who may move schools, as a result of proposed changes to tax exemptions, has been estimated by the Institute for Fiscal Studies at 3 to 7% over the medium to longer term.
Mae'r Sefydliad Astudiaethau Cyllid wedi amcangyfrif y bydd 3-7% o ddisgyblion o bosibl yn symud ysgolion yn y tymor canolig i'r tymor hwy o ganlyniad i'r newidiadau arfaethedig i eithriadau treth.