Saint Teresa of Calcutta Catholic School has been awarded accreditation by the Middle States Association Commissions on Elementary and Secondary Schools (MSA-CESS). Also, Saint Teresa of Calcutta. Catholic School has the honor of being the first school in the country to receive the MSA-CESS Program of Distinction in STEM Education. The MSA-CESS Programs of Distinction recognition serves as models for other academic programs throughout the world.

MSA-CESS accreditation signifies that Saint Teresa of Calcutta Catholic School has met the MSA-CESS Standards for a quality school. Accreditation by MSA-CESS is an indication of trustworthiness, educational quality, and a commitment to ongoing school improvement. It is recognition of both prior achievements and a commitment to greater future accomplishments. The accreditation affirms that Saint Teresa of Calcutta Catholic School has demonstrated to evaluators for MSA-CESS that it is effectively advancing the quality of educational experiences for its students, meets its responsibilities to the profession of education and its stakeholders, and complies with the rigorous standards for accreditation as established by the Commission on Elementary Schools and approved by the membership of the Middle States Association.