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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

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School address

Isonyin-Ijebu, Ijebu North East, Ogun State, Nigeria

Phone

+234 905 517 2703

+234 905 517 2703

Email

  • Admin: info@isonyingrammarschool.ng
  • Principal: principal@isonyingrammarschool.ng
  • PTA: info@isonyingrammarschool.ng
  • Alumni: info@isonyingrammarschool.ng

Office hours

Monday – Friday, 8:00 AM – 4:00 PM