Many extracurricular clubs, including an Academic Team, Physics Club, Model UN, National Honors Society, Science National Honor Society, Mu Alpha Theta Math Honor Society, Tri-M Music Honors society, Future Business Leaders of America, Nu Delta Alpha Dance Honors Society, Mock Trial, Drama Club, TBA Improv Troupe, National English Honors Society, Rho Kappa National Social Studies Honor Society, Student Government Association (SGA), FFA, Gay-Straight Alliance, and Fellowship of Christian Athletes.

The school's band are called the "Marching Knights" and since 2002 have been directed by Matthew Shearer.

[citation needed] The school's colors are orange and black, and athletic teams are known as the “Knights.” In 2003 MHS implemented the county's first APEX (Advanced Placement Experience) program for a select group of Freshmen.

Students in the program commit to taking a minimum of six AP courses in high school, beginning in the sophomore year.

As of the 2006-2007 School Year, The Advisement Programme was terminated for reasons unknown to the general public at MHS.