The school has been fully accredited by AdvancEd since 1990 and was previously accredited by the New England Association of Schools and Colleges. The PDF report may be reviewed in it’s entirety here, AdvancED_AccreditationEngagementReviewReport-ISA_2017.
The school is also accredited through the Education Ministry of the Netherlands and the Stichting Nederlands Onderwijs in het Buitenland (NOB). The report by the Education of the Ministry of the Netherlands may be reviewed in its entirety here, Definitief onderzoeksrapport 2015.
Additionally, the school holds a membership in the Association for the Advancement of International Education, is governed by International Schools Services, is assisted by the Office of Overseas Schools of the U.S. Department of State, and is a PTC Member School.