List of secondary schools in Belfast
This is a list of secondary schools and grammar schools in Belfast, Northern Ireland. The type, sector and Department of Education NI reference number is included alongside.
| School name | Sector | Type | DENI reference | Ref |
| All Saints College | Roman Catholic, maintained | Comprehensive | 1230324 | |
| Aquinas Diocesan Grammar School | Voluntary | Grammar | 142-0277 | |
| Ashfield Boys' High School | Controlled | Comprehensive | 121-0015 | |
| Ashfield Girls' High School | Controlled | Comprehensive | 121-0014 | |
| Belfast Boys' Model School | Controlled | Comprehensive | 121-0022 | |
| Belfast Model School For Girls | Controlled | Comprehensive | 121-0021 | |
| Belfast Royal Academy | Voluntary | Grammar | 142-0028 | |
| Blessed Trinity College | Roman Catholic, maintained | Comprehensive | 123-0321 | |
| Bloomfield Collegiate | Controlled | Grammar | 141-0315 | |
| Breda Academy | Controlled | Comprehensive | 421-0316 | |
| Campbell College | Voluntary | Grammar | 142-0020 | |
| Coláiste Feirste | Irish speaking, maintained | Comprehensive | 124-0291 | |
| De La Salle College | Roman Catholic, maintained | Comprehensive | 123-0182 | |
| Dominican College | Voluntary | Grammar | 142-0082 | |
| Dundonald High School | Controlled | Comprehensive | 421-0262 | |
| Grosvenor Grammar School | Controlled | Grammar | 141-0079 | |
| Hunterhouse College | Voluntary | Grammar | 142-0265 | |
| Lagan College | Grant maintained, integrated | Comprehensive | 426-0255 | |
| Malone Integrated College | Grant maintained, integrated | Comprehensive | 126-0294 | |
| Mercy College Belfast | Roman Catholic, maintained | Comprehensive | 123-0104 | |
| Methodist College | Voluntary | Grammar | 142-0022 | |
| Our Lady and St Patrick's College | Voluntary | Grammar | 442-0259 | |
| Rathmore Grammar School | Voluntary | Grammar | 142-0095 | |
| St Dominic's High School | Voluntary | Grammar | 142-0029 | |
| St Genevieve's High School | Roman Catholic, maintained | Comprehensive | 123-0155 | |
| St Joseph's College | Roman Catholic, maintained | Comprehensive | 123-0275 | |
| St Louise's Comprehensive College | Roman Catholic, maintained | Comprehensive | 123-0053 | |
| St Malachy's College | Voluntary | Grammar | 142-0030 | |
| St Mary's Christian Brothers' Grammar School | Voluntary | Grammar | 142-0021 | |
| Strathearn School | Voluntary | Grammar | 142-0089 | |
| Royal Belfast Academical Institution | Voluntary | Grammar | 142-0027 | |
| Victoria College | Voluntary | Grammar | 142-0264 | |
| Wellington College | Controlled | Grammar | 141-0270 |