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Our Team

Our team of educators is dedicated to positively impacting students, families, and our community. Go Wolfpack!

Weekly Update

Check out the highlights from the past school week and prepare for the week ahead.

Read the Weekly Update

Luis E. Leon, M.A.

Head of School - Main Campus, Grades K-7

During his time at Cornerstone Academy, Mr. Leon has served as the Assistant Principal/ Behavior Intervention Specialist and is now our Head of School at Cornerstone Academy. A former music teacher in Miami and his native Puerto Rico, he enjoys seeing students grow and develop as artists and performers while enhancing the school’s extra-curricular activities and overall instruction. He encourages each student to become a respectful, problem-solving, resilient individual as well as inspiring leadership and the impact it has among classmates and younger students. Mr. Leon is a graduate of Berklee College of Music and the Boston Conservatory. He received his second Master’s Degree in Education Administration from The Ohio State University.

Brian P. Carlton, M.A.

Head of School - Annex Location, Grades 8-10

Mr. Carlton has been in the education field for 16 years with a multitude of experiences. After 6 years as a choir and band director in St. Louis Public Schools and Columbus charter schools, he began his career in administration at Cornerstone Academy in 2007. Mr. Carlton was the Assistant Principal and Head of School at Columbus Preparatory Academy from 2007 through June, 2018.

Mr. Carlton believes in supporting the academic success of students through the diligent servant leadership of educators. He did his undergraduate studies at Murray State University and received his Master's Degree in Education Administration from The Ohio State University. He is excited to rejoin the energetic staff of Cornerstone Academy. Mr. Carlton is a happily married with two wonderful children who also attend the school.

Staff Directory

  • Miss Staci Johnson

    Miss Johnson has been a middle school teacher with Cornerstone Academy her entire career since 2014 and a Wolf Pack soccer coach since 2017. Miss Johnson graduated from Shawnee State University with a bachelor's degree in Middle School Mathematics and Science where she also played soccer for four years. She loves to make connections with her students and bring as much energy and positively to the classroom as possible. She is very proud of her soccer players who inspire her to work hard and have fun. Miss Johnson enjoys reading with her book club, cooking, and of course, spending time with family and friends.

  • Miss Julie Slack

    Mrs. Slack has been with Cornerstone since October of 2017. She joined the team as an instructional aide but was promoted to Kindergarten teacher to begin the 2018-2019 school year. Mrs. Slack graduated from The Ohio State University with a bachelor’s degree in Early Childhood Development. She completed her PK-3 certification through Notre Dame College. She is a great addition to our Kindergarten team. Mrs. Slack enjoys watching her students grow throughout the year. Her students enjoy her fun and interactive teaching style. In her free time, she enjoys reading, gardening and spending time with her husband and their two cats.