Accreditation & Memberships
Princeton Preparatory Schools is a member school of the North American Montessori Teachers’ Association (NAMTA). NAMTA is an international organization dedicated to supporting authentic Montessori education through professional development, research, and resources for educators. In addition to the school’s membership, our teachers are also individual members, allowing them to remain engaged with the global Montessori community and continue growing in their practice. Through this connection, Princeton Preparatory Schools upholds the integrity and excellence of Montessori teaching and learning.
Princeton Preparatory Schools is a member of the International Christian Montessori Institute (ICMI) and is currently a candidate for accreditation. Through this affiliation, the school aligns with internationally recognized standards for integrating authentic Montessori education with Christian values. As a candidate for accreditation, Princeton Preparatory Schools is actively engaged in the process of strengthening its programs, policies, and practices to ensure excellence in both Montessori instruction and Christ-centered education.
Princeton Preparatory Schools is a member of the Association of Christian Schools International (ACSI). ACSI is a global Christian organization dedicated to advancing excellence in Christian education by supporting schools through professional development, educational resources, and a shared commitment to academic quality and biblical values. Through this membership, Princeton Preparatory Schools aligns with a broader community of Christian schools committed to nurturing students academically, spiritually, and socially.
At Princeton Preparatory Schools, we are committed to maintaining strong academic standards and accountability across all of our programs. Our founding school in Atlanta is a fully accredited private school and holds Accredited with Quality (AWQ) status from the Georgia Accrediting Commission (GAC), the highest level of accreditation awarded by the organization.
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Our Nairobi campus follows the same academic standards established by our founding school. As part of this commitment, students in Kindergarten and above participate in annual standardized assessments through the Iowa Test of Basic Skills (ITBS) to measure progress and ensure academic rigor.
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Through these standards, Princeton Preparatory Schools provides a high-quality Montessori education that nurtures each child’s confidence, independence, and lifelong love of learning.





