Year 1 pupils have the highest absence both in 2018/19 and 2022/23 and the largest increase between those two years.
Mae gan ddisgyblion Blwyddyn 1 yr absenoldeb uchaf yn 2018/19, 2022/23 a 2023/24 a'r cynnydd mwyaf rhwng 2018/19 a 2022/23.