Walnut Park Montessori is accredited by the American Montessori Society (AMS).

The American Montessori Society leads, empowers, and serves the global community of Montessori educators as the foremost advocate for research and policy, ongoing teacher education, and standards of accreditation through opportunities for mentored individual growth, collaboration, and member engagement.

Jackson Elementary is accredited by the New England Association of Schools and Colleges (NEASC).

The New England Association of Schools and Colleges is an independent, voluntary, nonprofit membership organization which partners with over 1500 public, independent, and international schools in the US and worldwide to assess, support, and promote high quality education for all students through accreditation, professional assistance, and pursuit of best practices.

Jackson Walnut Park School is a member of the Association of Independent Schools in New England (AISNE).

With an ongoing commitment to equity and inclusion, the Association of Independent Schools in New England (AISNE) shapes the educational landscape for independent schools through leadership, education, service, and strategic advocacy.

Jackson Walnut Park School is a member of the National Catholic Educational Association (NCEA).

In service of the Gospel of Jesus Christ, the National Catholic Educational Association (NCEA) strengthens Catholic school communities by convening all stakeholders and providing professional development, data, public policy and resources to support faith and intellectual formation.