ISO is fully accredited by the Middle States Association of Schools and Colleges (MSA). See MSA goals set by the Board below. ISO was re-accredited in April, 2014 for another seven years of operation.

The school is recognized by the College Board as an approved site for AP instruction and testing.

ISO is a candidate school for the IB Diploma Programme. This school is pursuing authorization as an IB World School. IB World Schools share a common philosophy- a commitment to high-quality, challenging, international education- that we believe is important for our students. Candidate status gives no guarantee that authorization will be granted. For further information about the IB and its programmes visit

The school is also a member of the Association of International Schools in Africa (AISA), West Africa International Schools Athletic League (WAISAL) and Association for the Advancement of International Education (AAIE).

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MSA Goals


Objective: Communication

By 2020, ISO will show improved communication with all stakeholders

Objective: Community Involvement

By 2020 all ISO students will participate in annual opportunities in Community Service and Involvement projects to develop cultural understanding and citizenship.

Objective: Science

By 2020 all ISO students will demonstrate increased achievement in Science.

Objective: Reading

By 2020, all students will demonstrate increased achievement in Reading.