Secondary Schools Starting With Letter O
| No. | School | District | Level | Details |
|---|---|---|---|---|
| 1 | Oaks Of Righteousness High School | Kiryandongo | Secondary | View School |
| 2 | Obalanga Comprehensive Secondary School | Kapelebyong | Secondary | View School |
| 3 | Obalanga High School | Kapelebyong | Secondary | View School |
| 4 | Obalanga Seed School | Kapelebyong | Secondary | View School |
| 5 | Obongi Secondary School | Obongi | Secondary | View School |
| 6 | Ocaapa New Life Secondary School | Serere | Secondary | View School |
| 7 | Ocer Campion Jesuit College | Gulu | Secondary | View School |
| 8 | Ococia Girls Secondary School | Amuria | Secondary | View School |
| 9 | Odravu Secondary School | Yumbe | Secondary | View School |
| 10 | Offaka Secondary School | Madi-okollo | Secondary | View School |
| 11 | Ofua Seed Secondary School | Adjumani | Secondary | View School |
| 12 | Ogenda Girls Secondary School | Pakwach | Secondary | View School |
| 13 | Ogoko Seed Secondary School | Madi-okollo | Secondary | View School |
| 14 | Ogor Comprehensive Senior Secondary School | Otuke | Secondary | View School |
| 15 | Ogwete Seed Secondary School | Otuke | Secondary | View School |
| 16 | Ojetenyang Seed Ss | Serere | Secondary | View School |
| 17 | Okapel High School | Ngora | Secondary | View School |
| 18 | Okasha High School,mbiko | Buikwe | Secondary | View School |
| 19 | Okollo Secondary School | Madi-okollo | Secondary | View School |
| 20 | Okufura | Arua | Secondary | View School |
| 21 | Okwang Secondary School | Otuke | Secondary | View School |
| 22 | Okwerodot Secondary School | Kole | Secondary | View School |
| 23 | Old Kampala Secondary Schools. | Kampala | Secondary | View School |
| 24 | Oleba Secondary School | Maracha | Secondary | View School |
| 25 | Oleba Seed Secondary School | Maracha | Secondary | View School |
| 26 | Olila High School | Soroti | Secondary | View School |
| 27 | Olio Secondary School | Serere | Secondary | View School |
| 28 | Olomet Secondary School | Kalaki | Secondary | View School |
| 29 | Oluko Secondary School | Arua | Secondary | View School |
| 30 | Ombaci Self-help Secondary School | Koboko | Secondary | View School |
| 31 | Ombatini Secondary School | Arua | Secondary | View School |
| 32 | Omega College School | Kampala | Secondary | View School |
| 33 | Omiya Anyama Secondary School | Kitgum | Secondary | View School |
| 34 | Omiya Pacwa | Agago | Secondary | View School |
| 35 | Omoro Central H .s. | Omoro | Secondary | View School |
| 36 | Omoro Secondary School | Alebtong | Secondary | View School |
| 37 | Omot Seed Secondary School | Agago | Secondary | View School |
| 38 | Ongino Secondary School | Kumi | Secondary | View School |
| 39 | Ongongoja Secondary School | Katakwi | Secondary | View School |
| 40 | Onono Memorial College | Omoro | Secondary | View School |
| 41 | Onset College Katakwi | Katakwi | Secondary | View School |
| 42 | Opit Secondary School | Omoro | Secondary | View School |
| 43 | Oporowie Comprehensive Secondary School | Oyam | Secondary | View School |
| 44 | Oriajini Secondary School | Arua | Secondary | View School |
| 45 | Orom Seed Secondary School | Kitgum | Secondary | View School |
| 46 | Orum Secondary School | Otuke | Secondary | View School |
| 47 | Orungo High School | Amuria | Secondary | View School |
| 48 | Othman Bin Affan Islamic Secondary School | Iganga | Secondary | View School |
| 49 | Otino-waa Comprehensive Secondary School | Kole | Secondary | View School |
| 50 | Otravu Secondary School | Maracha | Secondary | View School |
| 51 | Otuboi Comprehensive. Secondary School | Kalaki | Secondary | View School |
| 52 | Otuke Secondary School | Otuke | Secondary | View School |
| 53 | Otumbari Secondary School | Arua | Secondary | View School |
| 54 | Otwal Secondary School | Oyam | Secondary | View School |
| 55 | Our Lady Of Gaudalupe Secondary School | Gomba | Secondary | View School |
| 56 | Our Lady Of Good Counsel | Wakiso | Secondary | View School |
| 57 | Our Lady Seat Fo Wisdom Secondary Schools | Kampala | Secondary | View School |
| 58 | Our Lady's Secondary School | Luuka | Secondary | View School |
| 59 | Outspan Secondary School | Kayunga | Secondary | View School |
| 60 | Owaffa Secondary School | Arua | Secondary | View School |
| 61 | Owobusobozi Bisaka Itambiro Modern Secondary School | Kagadi | Secondary | View School |
| 62 | Oxford College | Kitgum | Secondary | View School |
| 63 | Oxford High School | Mbale | Secondary | View School |
| 64 | Oxford High School | Wakiso | Secondary | View School |
| 65 | Oxford Secondary School,ibanda | Ibanda | Secondary | View School |