From 2018/19, when written exams were last sat, to 2022/23 the percentage of entries awarded A* to A and A* to C grades at GCSE have increased.
Gwnaethom gyhoeddi Patrymau cyrhaeddiad mewn darllen a rhifedd, o 2018 i 2019 i 2022 i 2023 ar 13 Mehefin.