| Agbor Secondary School, AgborIKS/001 - Mixed | Delta North | Ika SouthAgbor | - | 0803 000 0104agborsecsch.deltastatemobse.net |
| Bomadi Grammar School, BomadiBOM/001 - Mixed | Delta South | BomadiBomadi | - | 0806 000 0301 |
| Emiye Girls Grammar School, OlehISS/001 - Girls | Delta South | Isoko SouthOleh | - | 0806 000 0304 |
| Government College, UghelliUGN/001 - Boys | Delta Central | Ughelli NorthUghelli | - | 0805 000 0206 |
| Government Model Secondary School, IsiokoloETE/001 - Mixed | Delta Central | Ethiope EastIsiokolo | - | 0805 000 0201 |
| Government Secondary School, Akwukwu-IgboOSN/001 - Mixed | Delta North | Oshimili NorthAkwukwu-Igbo | - | 0803 000 0107 |
| Government Secondary School, BurutuBUR/001 - Mixed | Delta South | BurutuBurutu | - | 0806 000 0302 |
| Government Secondary School, Ogbe-IjohWSW/001 - Mixed | Delta South | Warri South WestOgbe-Ijoh | - | 0806 000 0308 |
| Government Secondary School, OrerokpeOKP/001 - Mixed | Delta Central | OkpeOrerokpe | - | 0805 000 0203 |
| Government Secondary School, Otu-JeremiUGS/001 - Mixed | Delta Central | Ughelli SouthOtu-Jeremi | - | 0805 000 0207 |
| Government Secondary School, PataniPAT/001 - Mixed | Delta South | PataniPatani | - | 0806 000 0305 |
| Hussey College, WarriWRS/001 - Boys | Delta South | Warri SouthWarri | - | 0806 000 0307 |
| Ika Grammar School, Boji-Boji OwaIKN/001 - Mixed | Delta North | Ika North EastBoji-Boji Owa | - | 0803 000 0103 |
| Iwere College, KokoWRN/001 - Mixed | Delta South | Warri NorthKoko | - | 0806 000 0306 |
| Mater Dei College, AshakaNDE/001 - Mixed | Delta North | Ndokwa EastAshaka | - | 0803 000 0105 |
| Notre Dame College, OzoroISN/001 - Boys | Delta South | Isoko NorthOzoro | - | 0806 000 0303 |
| Nshiagu College, Ogwashi-UkuANS/001 - Mixed | Delta North | Aniocha SouthOgwashi-Uku | - | 0803 000 0102 |
| Obiaruku Grammar School, ObiarukuUKW/001 - Mixed | Delta North | UkwuaniObiaruku | - | 0803 000 0109 |
| Oghareki Grammar School, OgharaETW/001 - Mixed | Delta Central | Ethiope WestOghara | - | 0805 000 0202 |
| Okotie-Eboh Grammar School, SapeleSAP/001 - Mixed | Delta Central | SapeleSapele | - | 0805 000 0204 |