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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

Academics

A curriculum built for the JSCE, WASSCE and NECO

Students move from a broad junior foundation into a specialised senior track, taught by staff committed to academic development.

Junior Secondary School (JSS 1–3)

The Junior Secondary curriculum provides a broad foundation across subject areas. At the end of JSS 3 students take the Junior School Certificate Examination (JSCE), which qualifies them for Senior Secondary education.

Languages
EnglishYorubaFrench
Mathematics
Basic Mathematics
Sciences
Integrated ScienceAgricultural ScienceBasic Technology
Social Studies
Social StudiesCivic EducationReligious Studies
Creative Arts
Fine ArtsMusicHome Economics
Physical Education
Physical & Health Education

Senior Secondary School (SSS 1–3)

In Senior Secondary, students specialise while maintaining core subjects, choosing one of three tracks. At the end of SSS 3 they sit the West African Senior School Certificate Examination (WASSCE) and the National Examination Council (NECO) examinations.

Science track

  • English Language
  • Mathematics
  • Physics
  • Chemistry
  • Biology
  • Civic Education

Commercial track

  • English Language
  • Mathematics
  • Economics
  • Commerce
  • Accounting
  • Civic Education

Arts track

  • English Language
  • Mathematics
  • Literature in English
  • Government
  • History
  • Civic Education

How we teach

Our teaching approach

  • 01

    Interactive classroom discussions that encourage critical thinking

  • 02

    Practical laboratory sessions for hands-on learning in the sciences

  • 03

    Project-based learning that develops research and collaboration skills

  • 04

    Technology integration through our computer laboratories and digital resources

  • 05

    Field trips and guest speakers that connect classroom learning to the wider world

Facilities

Where learning happens

Spacious learning spaces

Spacious learning spaces

A large assembly hall that doubles as an examination centre, accommodating hundreds of students.

Science laboratories

Science laboratories

Science laboratories equipped for hands-on practical learning.

Library, ICT & workshop

Library, ICT & workshop

A professional library, ICT laboratories and a carpentry workshop in line with the TVET policy.

How to apply