Ysgol Gymraeg Glan Cleddau is situated at the top end of the town of Haverfordwest, in the south of Pembrokeshire. There are 259 pupils on roll, including 41 part-time nursery pupils. It has 10 classes, three of which are mixed-age. About 5% of pupils are eligible for free school meals, which is lower than the national average. The school identifies that 17% of pupils have additional learning needs. There are no children with special educational needs. Few pupils come from Welsh-speaking homes. About 3% of pupils are from an ethnic minority background. The school was last inspected in May 2010. The headteacher was appointed to the post in April 2009. The individual school budget per pupil for Ysgol Glan Cleddau in 2015-2016 is £3,466. The maximum per pupil in primary schools in Pembrokeshire is £6,208 and the minimum is £3,454. Ysgol Glan Cleddau is in 60th position of the 61 primary schools in Pembrokeshire in terms of the school budget per pupil.