| Ysgol Glan y Môr | |
| Streetaddress: | Cardiff Road |
| Postcode: | LL53 5NU |
| Established: | 1969 |
| Lower Age: | 9 |
| Upper Age: | 16 |
| Enrollment: | 472 (2023) |
| Houses: | Tudwal, Enlli, Gwylan |
| Colours: | Dark Green and Amber |
| Website: | glanymor.gwynedd.sch.uk |
| Headteacher: | Guto Wyn |
Ysgol Glan y Môr is a bilingual comprehensive school in the market town of Pwllheli in the Welsh county of Gwynedd. The school serves a large part of the Llŷn Peninsula (cy|Penrhyn Llŷn). As of 2023, there were 472 pupils on roll at the school.[1] According to the latest Estyn inspection report in 2017, approximately three-quarters of pupils come from Welsh-speaking homes.[2]
The modern school was formed when the former Pwllheli Grammar School and the Frondeg Secondary Modern Schools merged. These occupied sites at Ysgol Penrallt (Now home to the Pwllheli campus of Coleg Meirion-Dwyfor) and Upper Ala Road, respectively. The two schools merged in mid-1969 to form a comprehensive school.
The junior pupils (First Year and Second Year) were located at the Ysgol Penrallt site and the senior pupils (Third Year and upwards) were located at a new building constructed on Cardiff Road. This new school was subsequently expanded to accommodate all pupils in the 1990s.