Dear Students, Parents, and Centennial School Staff,

Welcome to the 2024-2025 school year at the Mars Area Centennial School! I hope this letter finds you well-rested, rejuvenated, and ready for a new year of educational experiences and academic successes.

I am excited to begin my 10th year as the Centennial School Principal and will continue to lead in a manner that provides academic and life successes to our students. With the start of each school year, opportunities for growth, discovery, and achievement are infinite. Our committed faculty will continue to deliver high-quality instruction, tailored to meet the diverse needs of our students. We will foster a nurturing environment that encourages curiosity, critical thinking, and creativity while cultivating essential life skills such as teamwork, resilience, and empathy.

To our returning students, I look forward to hearing about your summer experiences and witnessing your renewed energy which I know you will bring to the Centennial School. To our new students, I extend a special welcome. You are now part of our Centennial School family, and we are excited to get to know you and to be a part of your academic and life successes over the next two years.

To our dedicated parents and guardians, thank you for entrusting us with the education and well-being of your children. Your involvement and dedication are essential to creating a positive and enriching learning environment. Together, we can make a significant difference in their educational experience.

To our exceptional faculty and staff, thank you for your hard work and commitment to our students and for all that you will provide throughout the school year. Your dedication truly makes a difference in the lives of our students.

As we begin this new school year, let us embrace the opportunities it brings for learning, growth, and community building. Together, we will create a positive and nurturing environment where every student can thrive academically, socially, and emotionally.

Please mark your calendars for our upcoming Centennial Orientation Night on August 28, 2024. This event will provide opportunities to meet our amazing educators and hear about the academic goals for the year ahead. I look forward to meeting you throughout the school year and working together to make this school year the most successful one yet!

Once again, welcome back to Centennial School! Let’s make this year one of achievement, growth, and joy.

Sincerely,

Dr. Adam M. Kostewicz, Principal
Mars Area Centennial School

Principal's Profile

Dr. Adam Kostewicz has served as the principal of Mars Area Centennial School since 2015. During the 2014-2015 school year, Dr. Kostewicz served as the principal of the Mars Area Primary Center.  

Dr. Kostewicz holds a Doctoral Degree in Administration and Leadership and a Superintendent’s Letter of Eligibility from Point Park University. Dr. Kostewicz has a principal’s certificate (K-12) and a master’s degree in Elementary Education from Indiana University of Pennsylvania. He also holds a bachelor’s degree in Elementary Education from La Roche University.

Prior to joining Mars Area School District, Dr. Kostewicz taught fourth-grade language arts and social studies at Highlands School District in Tarentum, PA. He also served as a fourth-grade math and science teacher and first-grade teacher. Additionally, Dr. Kostewicz has served as a Math Coach at the Urban League of Greater Pittsburgh Charter School in Pittsburgh, PA., and as a counselor at Summit Academy in Herman, PA.

Dr. Kostewicz and his family live in Ohio Township in the Pittsburgh area.