
Global Body
Contact: Col. S Adejoro & Prof. Michael OlogundeThe umbrella OGSOSA organisation

Lagos Branch
Contact: Dayo AdeyemiThe 1976-81 set meet monthly in various venues and holds reunion party in December in Osogbo

North America Branch
Contact: Pastor Ajiboye AdelekeThe North America Branch meet monthly via teleconferencing

1980 Set
Contact: Dr. Olasiji MakindeThe 1975-80 set meet monthly in various venues and holds reunion party in December in Osogbo

1981 Set
Contact: Dr. Tola WinjobiThe 1976-81 set meet quarterly at various venues and holds reunion party in December in Osogbo

HSC Alumni
Contact: Gbenga ShadareThis group meets mostly through Facebook and WhatsApp
GLOBAL GROUPOrganiser: Colonel S. Adejoro Email: Phone: Facebook: http://www.facebook.com/Osogbo-Grammar-School-Global-Alumni-795462340596335/
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LAGOS BRANCHPresident: Dayo Adeyemi Email: dayadeyemi @ yahoo.com Phone: Facebook:
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NORTH AMERICA BRANCHMeets every last Tuesday of the month at 9pm Eastern Time President: Ajiboye Adeleke Email: moyosore @ yahoo.com Conference Phone: Call for information Facebook: |
HSC SETSOrganiser: Gbenga Shadare Email: gbengadare @ gmail.com Phone: Facebook: https://www.facebook.com/groups/133028676745043/
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1981 SETPresident: Tola Winjobi Email: tolawinjobi58 @ yahoo.com Phone: +234 80 306 18326 Facebook: https://www.facebook.com/groups/OGS7681/ |
1980 SETPresident: Siji Makinde Email: Phone: Facebook: https://www.facebook.com/groups/456945064416751/
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