The majority of all sessions missed during the week of 4 January to 8 January were due to an absence directed by the school (code “Y”).
Roedd mwyafrif yr holl sesiynau a gollwyd yn ystod yr wythnos rhwng 4 Ionawr a 8 Ionawr naill ai oherwydd absenoldeb a gyfarwyddwyd gan yr ysgol (cod “Y”).