The data in this release relates to attendance of pupils of compulsory school age (ages 5-10) in maintained middle, primary and special schools.
Mae'r data yn y datganiad hwn yn ymwneud â phresenoldeb disgyblion o oedran ysgol gorfodol (5 i 10 oed) mewn ysgolion canol, cynradd ac arbennig a gynhelir.