The average ACT score was a 21.9, with 83 percent of the graduates planning on attending a four-year college.

[9] The Centennial Chamber Choir has performed with the Nashville Symphony, Foreigner, and at Walt Disney World.

[14] Williamson's Information Technology Center of Excellence at Centennial High School launched in fall 2014.

The center is part of a collaboration between Williamson County Schools and Columbia State Community College.

[15] Centennial is the only Williamson County high school that offers a cosmetology program.

Additionally, students can accrue state board hours for post-secondary credit.