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IGS @ 70 — Still Soaring at Seventy — 23rd – 29th March 2026Admission into JSS 1 is through the Ogun State Common Entrance Examination for flagship and model schoolsSpeak with the school office: +234 905 517 2703Old students: add your profile to the alumni directoryIGS @ 70 — Still Soaring at Seventy — 23rd – 29th March 2026Admission into JSS 1 is through the Ogun State Common Entrance Examination for flagship and model schoolsSpeak with the school office: +234 905 517 2703Old students: add your profile to the alumni directory
Isonyin Grammar School crestIsonyin Grammar SchoolEst. 1956 · God Is Our Foundation

Events

The school diary

IGS @ 70 — Still Soaring at Seventy — 23rd – 29th March 2026. Plus sports, cultural and PTA events through the year.

PTA

PTA General Meeting

Meeting of the Parent-Teacher Association to discuss school development and student welfare.

  • Friday, 23 October 2026
  • 10:00
  • School Hall

Sports

Inter-House Sports Competition

Annual inter-house sports competition featuring track and field events, team sports and individual competitions.

  • Thursday, 5 November 2026
  • 09:00
  • School Sports Ground

Cultural

Cultural Day Celebration

A celebration of Nigeria's diverse cultures featuring traditional dances, attire and cuisine.

  • Friday, 4 December 2026
  • 10:00
  • School Hall

Platinum Jubilee

IGS @ 70 — Still Soaring at Seventy

23rd – 29th March 2026

  1. 23 Mar

    Back to School & Press Conference

    IGS Campus, 10:00 AM

  2. 24 Mar

    Debate/Quiz & Anniversary Lecture

    Lecture by Mr. R. B. Lawal, 3:00 PM

  3. 28 Mar

    Grand Finale & Social

    Projects commissioning, awards & live band