They are often tied to short-term funding and although NPEP has received longer-term funding, it has only worked intensively with approximately 70 teachers across Wales.
Maent yn aml ynghlwm wrth gyllid tymor byr, ac er bod PYPC wedi cael cyllid tymor hwy, dim ond gyda oddeutu 70 o athrawon ledled Cymru y mae wedi gweithio’n ddwys.