Skip to main content

Mars Area Centennial School

Mobile Menu Toggle

Principal's Welcome

On behalf of Mars Area Centennial School Staff, I am excited to once again welcome our students and their families to the 2022 – 2023 school year! Over the past summer months, I hope you were able to find ways to relax, rejuvenate and recharge with family and friends. As we move into a new academic year, academic expectations and learning goals are always set high for our students! Those expectations and learning goals for our Centennial students will continue to be:

  • meeting our student’s learning needs through differentiated instruction.
  • challenging our students to meet academic expectations and annual goals.
  • guiding them to be independent thinkers, problem solvers and individuals.
  • providing them with opportunities in developing and meeting their socially and emotionally needs for continued success!

As in years past, the Centennial School will continue to operate as an elementary school with a unique setting. This educational setting will allow for transition and will eliminate the self-contained classroom setting previously experienced at the Elementary School. Students will transition between two classrooms, with some traveling between three classrooms during the instructional day. All students will participate in a daily special areas class, W.I.N. (What I Need) Time, lunch and recess. These transitions will put more responsibility on our students to stay organized and to adapt to numerous classroom transitions throughout the day.

This year the Centennial School will have eleven 5th grade classrooms and eleven 6th grade classrooms for daily instruction. At the 5th grade level, a teacher will be responsible for instructing the English Language Arts curriculum and their “partner” teacher will be responsible for teaching the Math, Science and Social Studies curriculum. At the 6th grade level, a teacher will be responsible for instructing the English Language Arts and Social Studies curriculum and their “partner” teacher will be responsible for teaching the Math and Science curriculum. If your student is part of a team of three teachers, one teacher will provide the Math instruction, one the English Language Arts instruction and the third teacher Science and Social Studies instruction.

Our dedicated staff will continue to work as a partnership to make sure our students are part of an effective and engaging educational experience. We ask for your continued partnership and support outside of the classroom to ensure that student safety and academic success continues during the 2022-2023 school year. The Centennial School Staff understands the daily complexities and challenges all students and families face. We understand because we are you. The Centennial School Staff has made a priority of working together as a caring and compassionate learning community, tackling the challenges we all will face with professionalism, teamwork, compassion, and to always putting the students’ best interests at the center of our purpose.

Again, it is my pleasure to welcome you to the 2022 – 2023 school year! I look forward to leading our students in meeting their goals and guiding them to give their best effort throughout the school year!


Adam M. Kostewicz, Principal
Mars Area Centennial School

Principal's Profile

Adam KostewiczMr. Adam Kostewicz has served as principal of Mars Area Centennial School since 2015. 

Kostewicz, who previously served for one year as principal at Mars Area Primary Center, holds a master’s degree in elementary education and principal’s certificate (K-12) from Indiana University of Pennsylvania and a bachelor’s degree in education from La Roche College.

Prior to joining Mars Area School District, Kostewicz  taught fourth grade language arts and social studies at Highlands School District in Tarentum, Pa., where he also served as a fourth grade math and science and first grade teacher. At Highlands, Kostewicz was also a ninth grade basketball team head coach and varsity basketball team volunteer assistant coach. He has also previously served as a Math Coach at Urban League of Greater Pittsburgh Charter School in Pittsburgh, Pa., and as a counselor at Summit Academy in Herman, Pa.

Kostewicz and his family live in the North Hills area.