Thornhill College, Derry
Thornhill College, Derry is a grammar school in Londonderry for pupils aged 11 to 18. It has 1,362 pupils. About 22 in every 100 pupils come from a low-income family, a bit fewer than at most schools. In 2025, 96% of Year 12 pupils got five good GCSEs including English and maths (grammar schools in Northern Ireland: 94%).
142 Culmore Road, Londonderry, BT48 8JFAll details
Inspection
Schools in Northern Ireland are inspected by the Education and Training Inspectorate. Since 2024 its reports end with a written summary and next steps instead of a grade, and there is no published list of outcomes.
Results
GCSE results, summer 2025
199 Year 12 pupils. We compare them with grammar schools across Northern Ireland, because grammar schools pick pupils by ability, so setting them against other schools wouldn't be fair.
A level results, summer 2025
187 pupils in the final year of A level or equivalent courses.
All measures, year by year
| Measure | 2025 | 2024 | 2023 | 2019 | 2018 | 2017 | NI grammar |
|---|---|---|---|---|---|---|---|
| Year 12 pupils | 199 | 208 | 198 | 199 | 199 | 191 | – |
| Entered for five or more GCSEsEntered for 5+ GCSEs (or equivalent) | 100% | 100% | 100% | – | – | – | 100% |
| Five good GCSEs5+ GCSEs at grades A* to C (or equivalent) | 98% | 98% | 100% | 99% | 99% | 100% | 97% |
| Five good GCSEs including English and maths5+ GCSEs at A* to C including GCSE English and maths | 96% | 95% | 100% | 98% | 99% | 97% | 94% |
| Year 14 pupils | 187 | 188 | 171 | 176 | – | – | – |
| Three good A levels3+ A levels at grades A* to C (or equivalent) | 76% | 80% | 75% | 72% | 72% | 84% | 79% |
| Two A levels passed2+ A levels at grades A* to E (or equivalent) | 100% | 100% | 99% | 100% | 100% | 100% | 100% |
No results were published for 2020, 2021 and 2022. Figures include equivalent qualifications; a value is withheld when fewer than five pupils are involved.
Getting a place
Grammar school. Most places depend on the SEAG transfer test, which children sit in Primary 7 in the autumn. After that the school's own admissions rules apply.
Apply through the Education Authority's online admissions system in January.
Who goes here
Who the school teaches, from the latest school census.
Attendance
In 2024/25 pupils were in school 92.0% of the time. Across similar schools in Northern Ireland it was 93.4%. Northern Ireland doesn't publish figures on pupils who miss a lot of school, or on suspensions, for individual schools.
Nearby schools
The closest secondary schools, nearest first. Hover over a row to see it on the map.
| School | Type | Distance | Pupils | Ofsted | Score | |
|---|---|---|---|---|---|---|
| St Brigid's College, Carnhill | Catholic maintained | 1.4 miles | 911 | ETI, no open data | – | Compare |
| Oakgrove Integrated College | Integrated | 1.5 miles | 560 | ETI, no open data | – | Compare |
| St Columb's College, Derry | Grammar | 2.0 miles | 1,217 | ETI, no open data | – | Compare |
| Foyle College | Grammar | 2.2 miles | 893 | ETI, no open data | – | Compare |
| St Mary's College | Catholic maintained | 2.5 miles | 873 | ETI, no open data | – | Compare |
| Lisneal College | Controlled | 2.7 miles | 1,192 | ETI, no open data | – | Compare |
| St Joseph's Boys' School, Creggan | Catholic maintained | 3.2 miles | 724 | ETI, no open data | – | Compare |
| Lumen Christi College, Derry | Grammar | 3.5 miles | 862 | ETI, no open data | – | Compare |
Questions parents ask
Is Thornhill College, Derry a good school?
We don't have enough published data to score Thornhill College, Derry yet. Northern Ireland doesn't publish inspection grades.
How good are Thornhill College, Derry's GCSE results?
In summer 2025, 96% of Year 12 pupils got five or more GCSEs at grades A* to C including English and maths, against 94% across grammar schools in Northern Ireland. 76% of Year 14 pupils got three A levels at A* to C.
How many pupils does Thornhill College, Derry have?
1,362 pupils aged 11 to 18 were on the roll in October 2025.
Does Thornhill College, Derry have an entrance exam?
Yes. It is a grammar school, so places depend on an entrance test, usually sat in September of Year 6. Check the school's admissions page for the test dates and the pass mark.
Does Thornhill College, Derry have a sixth form?
Yes.
These answers come straight from the figures on this page and update when new data comes out.
Contact and details
- Address
- 142 Culmore Road, Londonderry, BT48 8JF
- Type of school
- Grammar school (Grammar school, local authority maintained schools)
- Phase
- Secondary school, ages 11-18, with sixth form
- Religious character
- None
- Local authority
- Derry City and Strabane
- Ward
- Culmore
- Setting
- Rural
- DE reference
- 2420052 · LAESTAB 2420052
Where these figures come from
- School details, enrolment, free school meals, special needs and newcomers: Department of Education (Northern Ireland) school-level enrolment data, October census (this page rebuilt 13 September 2026).
- Attendance: Department of Education school-level attendance tables.
- Results: Department of Education, Year 12 and Year 14 examination performance at post-primary schools (SAER), via OpenDataNI.
- All under the Open Government Licence v3.0. Full list and update calendar.