Mae'r adroddiad yn nodi bod nifer o effeithiau cadarnhaol a dymunol wedi dod i'r amlwg dros amser. Mae ysgolion yn gweld cyllid y Grant Amddifadedd Disgyblion yn beth gwerthfawr tu hwnt. Roedd llawer o ysgolion yn credu nad oedd modd rhoi gwerth arno. Roedd llawer o ysgolion wedi cydnabod bod y Grant Amddifadedd Disgyblion wedi bod o gymorth o ran canolbwyntio ar godi ymwybyddiaeth o fynd i'r afael ag anfantais ar draws yr ysgolion, drwy newid agweddau a diwylliant.
The report notes that there have been a number of positive and promising effects over time. The PDG funding is considered to be hugely valuable by schools and in many of the schools it was considered ‘invaluable’. Many schools have also acknowledged that the PDG has over time helped them to focus and raise the profile of tackling disadvantage across the school changing attitudes and culture.