List of 72 oldest secondary schools in Nigeria

1. CMS Grammar School, Bariga, Lagos (1859) – CMS
2. Methodist Boys High School, Victoria Island, Lagos (1878) – Methodist
3. Methodist Girls High School, Yaba, Lagos (1879) – Methodist
4. Baptist Academy, Obanikoro, Lagos (1885) – Baptist (The primary school arm was established in 1855 but was now changed into secondary school)
5. Hope Waddell Training Institute, Calabar (1895) – United Presbyterian
6. St. Anne’s School, (Old Kudeti Girls’ School) Ibadan (1896)*- CMS
7. Oron Boy’s High School, (Old Oron Training Institute) Oron (1897)*- CMS
8. Edgerley Memorial Girls’ Secondary School, Calabar (1898) *- Presbyterian Church
9. Wesley College of Science (old Wesley College), Elekuro, Ibadan (1905)* – Methodist
10. St. Paul’s College, Iyenu, Awka (1900)* – CMS
11. Methodist Boy’s High School, Oron (1905) – Methodist
12. Abeokuta Grammar School, Idi-Aba, Abeokuta (1908) – CMS
13. King’s College, Catholic Mission street, Lagos (1909) – Government
14. St. John’s School, Bida (1909)* – CMS
15. Alhuda-Huda College (OldGovernment Secondary School), Zaria (1910) – Government
16. Government College, Bida (formerly known as Provincial Secondary School Bida) – 1912
17. Ijebu-Ode Grammar School, Ijebu-Ode (12 Jan. 1913) – Anglican
18. Eko Boys High School, Mushin, Lagos (13 Jan. 1913) – Methodist
19. Ibadan Grammar School, Molete, Ibadan (Mar. 1913) – CMS
20. Government Secondary School, Ilorin, Kwara (1914)- Government
21. Government College, Katsina-Ala, Benue (1915) – Government
22. Etinan Institute, Etinan, Akwa-Ibom (1915) – Qua Iboe Christian Mission
23. Ondo Boys High School, Ondo (1919) – CMS
24. Duke Town Secondary School (1919) – Qua Iboe Christian Mission
25. Baptist Boys High School, Oke-Saje, Abeokuta (1923) – Baptist
26. Government College, Kaduna (1920) – Government
27. Barewa College, (Old Katsina College, Kaduna College and Government College), Zaria (Established as Katsina Teachers’ College) (1921)* – Government
28. Methodist College, Uzuakoli, Aba – (1923)
29. Ibo Boys’ High School, Uzuakoli, Aba – (1923)
30. Dennis Memorial Grammar School, Onitsha – (1925)
31. Queens College, Yaba, Lagos (1927)
32. Government College, Apata, Ibadan (1927)
33. Government College, Umuahia (1927)
34. United Memorial Grammar School, Ibadan (1928)
35. St. Gregory College, Ikoyi, Lagos (1928)
36. St. Thomas College, Ibusa (1928)
37. St. Charles College, Onitsha (1929)
38. Aggrey Memorial College, Arochukwu (1931)
39. Igbobi College, Yaba, Lagos (1932)
40. St Theresa College, Oke-Ado, Ibadan (1932)
41. Oduduwa Grammar School, Ile-Ife (1932)
42. Christ the King College, Onitsha (1933)
43. Christ’s School, Ado-Ekiti (1933)
44. Ilesha Grammar School, Ilesha (1934)
45. St. Patrick’s College, Calabar (1934)
46. Holy Rosary College, Enugu (1935)
47. Government Secondary School, Owerri (1935)
48. Edo College, Benin City (1937)
49. Ibadan Boys High School, Ibadan (1938)
50. Baptist High School, Bodija, Ibadan (1940)
51. Queen of the Rosary College, Onitsha (1942)
52. African Church School, Kajola, Ifo (1943)
53. Lisabi Grammar School, Abeokuta (1943)
54. Offa Grammar School, Offa (1943)
55. Archdeacon Crowther Memorial Girl’s School (ACMGS), Elelenwo, Port Harcourt (1943)
56. Zik Grammar School, Sapele (1943)
57. Boys Secoundary School, Gindiri, Plateau State 1944
58. Hilcrest School Jos 1944
59. Olivet Baptist High School, Olivet Heights Oyo (1945)
60. Adeola Odutola College, Ijebu-Ode (1945)
61. Government College, Ughelli (1945)
62. Kent Academy Mango 1945
63. Urhobo College, Effurun (1946)
64. Remo Secondary School, Sagamu (1946)
65. Ansar –Ud – Deen Comprehensive College, Otta (1946)
66. Imade College, Owo (1946)
67. Victory College, Ikare, Ondo (1947)
68. Hussey College, Warri (1947)
69. Ahmaddiya College, Agege, Lagos (1948)
70. Government College, Keffi (1949)
71. Molusi College, Ijebu-Igbo (1949)
72. Baptist High School, Borokiri, Port Harcourt (1949)