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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

Mission & values

God Is Our Foundation

Our motto has guided the school since 1956. These are the commitments that follow from it.

Vision

Our vision statement

Our Vision is to be the best centre for innovative learning in Ijebu Northeast and one of the leading model schools in Ogun State and by extension, Nigeria, fostering academic excellence and innovation to turn out responsible global citizens.

Mission

Our mission statement

To provide blended learning experience, engaging curriculum, conducive learning atmosphere that encourage personalised learning, intellectual curiosity, critical thinking, where students of high cognitive and intellectual ability will emerge, providing solution to societal problems.

The school today

Isonyin Grammar School is a co-educational secondary school established on March 23, 1956 and located in the heart of Isonyin-Ijebu, Ogun State. It is one of the flagship schools of the Ogun State Government and the only Model Secondary School with boarding facilities in Ijebu North East.

The school is equipped with a professional library, science and ICT laboratories, and a carpentry workshop in line with the Federal Government's TVET policy.

Our commitments to the community

  • To foster lifelong connections among alumni
  • To support the development and growth of Isonyin Grammar School
  • To provide mentorship and guidance to current students
  • To promote the values and reputation of the school in the wider community

The School Philosophy

  1. I shall work hard when it's time to work
  2. I shall play when it's time to play
  3. I promise to do other good things
  4. At the correct time
  5. That will make Isonyin Grammar School, Isonyin
  6. Better than I met it
  7. So help me God (Amen)

Composed by Chief Ayo Olusanya (1971)

School Anthem

Verse 1

Isonyin Grammar School God is our Foundation God helped our fathers to build thee Thou stand'st on a strong foundation

Verse 2

Get set for life's battle Rough way before you lie Roll up your sleeves prove your mettle Above the crowd will you please rise Don't aim at the little

Verse 3

God bless teachers and taught Connected with this school Help them always whatever their lots To keep their heads both calm and cool Acting well as they ought

Chorus

Thou stand'st our pride well won Wherever we may be Thou give'st knowledge to everyone We will not forget thee

Composed by Revd. S. T. Sheyin, Principal 1973

Audio recording: [CONTENT REQUIRED]

Our values

Five values, lived daily

01

Academic Excellence

A rigorous curriculum and dedicated teaching staff committed to learning and academic development.

02

Character

Building disciplined, responsible and confident young people — a tradition since 1956.

03

Leadership

Preparing students to serve, to lead and to carry the school's name with pride.

04

Community

A school deeply rooted in Isonyin, supported by its people, its traditional leadership and its professors.

05

Heritage

Seven decades of education in Ijebu North East, and generations of families who call this school theirs.