SACS CASI, the school accreditation division of AdvancED has accredited STM following an 18-month self-evaluation. The accreditation is for five years. STM received 12 commendations and three recommendations. SACS CASI has reviewed more than 23,000 schools around the globe.

STM is commended for:

• Focusing on, believing in, and committing to educating "students to be seekers of truth, individuals of character, and ‘God’s servant first.’"

• Supporting and encouraging active participation in professional development opportunities at the local, regional, state, and national level

• Providing a comprehensive, focused, diverse curriculum based upon standards that meets the needs and interests of all students and prepares them for success beyond high school

• Infusing technology throughout the school to achieve school wide goals and to enhance teaching and learning

• Providing support services and systems to promote the development of the whole child through academic endeavors, guidance services, media services, and ministry

• Having a dedicated, professional, committed faculty and staff, which is one of the key elements in the overall success of St. Thomas More

• Having a dynamic leadership team which exemplifies a commitment to the pursuit of school improvement and student achievement and fosters cohesiveness between school and community

• Having a faculty, staff, and student body who have built a school climate that is warm, friendly, cooperative, and positive

• Displaying a sense of pride that is embedded throughout the school and school community

• Offering a variety of co-curricular and extra-curricular programs that enhance student opportunities for personal development, self expression, individuality, creativity, and leadership

• Using diverse modes of communication to provide stakeholders with pertinent information and opportunities for input

• Providing individual departments the necessary autonomy and flexibility to address unique needs while maintaining alignment with the school goals

STM received the following recommendations for improvement:

• Review departmental expectations in the school improvement plan and formulate more defined, measurable objectives/expectations with baselines and targets based upon student performance data.

• Actively seek and implement ways to provide time for ongoing collaboration within and across content areas to further curriculum alignment, identify cross-curricular connections, and identify strategies to foster the development of critical thinking skills and ensure relevancy.

• Regularly communicate progress toward school-wide goals to all stakeholders.