When was Ysgol Dyffryn Nantlle last inspected?

Estyn has inspected Ysgol Dyffryn Nantlle, and its most recent report is set out in the inspection section on this page, with the inspection date and a link to the full report on the Estyn website.

How big is Ysgol Dyffryn Nantlle?

Ysgol Dyffryn Nantlle has 397 pupils on roll.

Is Ysgol Dyffryn Nantlle a faith school?

No. Ysgol Dyffryn Nantlle has no designated religious character.

Does Ysgol Dyffryn Nantlle publish exam results?

Wales does not publish school-level exam results under an open licence, so this page shows the characteristics the Welsh Government does release, such as the share of pupils eligible for free school meals, rather than exam data. Its inspection report is on the Estyn website.

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Ysgol Dyffryn Nantlle

Ysgol Dyffryn Nantlle

Ffordd Y Brenin, Penygroes, Gwynedd, LL54 6RL

Phase: Secondary
Gender: Not applicable
Language: Welsh medium school / provision (including transitional)
Constituency: Dwyfor Meirionnydd
Setting: Larger rural: Further from a major town or city
Pupils on roll: 397
URN: 401673
Local authority: Gwynedd
Telephone: 01286880345

About this school

Ysgol Dyffryn Nantlle is a secondary school in Gwynedd. It has 397 pupils on roll. Most teaching is through the medium of Welsh.

Estyn's most recent report on the school is linked from the section below. The school census figures the Welsh Government publishes, such as the share of pupils eligible for free school meals, are shown below. Seeing a school for yourself shows what no page can, so arrange a visit before you apply.

Estyn inspection

Wales: Estyn

Inspected 13 March 2025 · Interim visit, Secondary

Estyn now reports in narrative form. Instead of an overall grade it describes a school's work and, where it is needed, sets a follow-up category. OfferDay shows the inspection date and links to the full report rather than reproducing Estyn's findings.

Read the full inspection report on Estyn's website

School characteristics

From the Welsh Government school census, latest 3 years.

Free school meals (3-year average)

2022/23

15.5%

2023/24

14.6%

2024/25

14.1%

The Welsh Government's headline measure of a school's level of deprivation.

English as an additional language

2022/23

2023/24

2024/25

Wales does not publish school-level exam results under an open licence, so OfferDay does not show attainment figures for Welsh schools. Estyn reports on each school, and the Welsh Government publishes results at national and local-authority level.

Location

Nearby schools

Ysgol Gynradd Talysarn
Welsh schools · Gwynedd

0.1 miles
Ysgol Bro Lleu
Welsh schools · Gwynedd

0.1 miles
Ysgol Gynradd Llanllyfni
Welsh schools · Gwynedd

0.9 miles
Ysgol Bro Llifon
Welsh schools · Caernarfon

1.6 miles
Ysgol Gynradd Nebo
Welsh schools · Gwynedd

1.7 miles

Common questions

What kind of school is Ysgol Dyffryn Nantlle?: Ysgol Dyffryn Nantlle is a secondary school in Gwynedd.
When was Ysgol Dyffryn Nantlle last inspected?: Estyn has inspected Ysgol Dyffryn Nantlle, and its most recent report is set out in the inspection section on this page, with the inspection date and a link to the full report on the Estyn website.
How big is Ysgol Dyffryn Nantlle?: Ysgol Dyffryn Nantlle has 397 pupils on roll.
Is Ysgol Dyffryn Nantlle a faith school?: No. Ysgol Dyffryn Nantlle has no designated religious character.
Does Ysgol Dyffryn Nantlle publish exam results?: Wales does not publish school-level exam results under an open licence, so this page shows the characteristics the Welsh Government does release, such as the share of pupils eligible for free school meals, rather than exam data. Its inspection report is on the Estyn website.

School details come from the Department for Education's Get Information About Schools register and the Welsh Government's address list of schools. Inspection information comes from Estyn, and pupil characteristics from the Welsh Government's school census. OfferDay links to each Estyn report rather than reproducing it. This page was last updated on 25 June 2025.