[6] The original building on 7th Street was for a time used as the Student Museum, open to elementary field trips to represent the rich history of education in Seminole County.

A performing arts center, later to be named in honor of former principal Karen W. Coleman, opened in March 2008.

[7] Seminole High's Thespians were the first to use the center, producing The Pink Panther Strikes Again that month.

[7] Students may take part in the theatre department through classes or audition for the fall play and spring musical.

The school newspaper, The Seminole, is an elective course in which students may involve themselves in journalism, publishing, layout/design, photography, and advertising.

Sports practiced at the school include baseball, basketball, cheerleading, dance, track and cross country running, football, golf, lacrosse, soccer, softball, swimming and diving, tennis, volleyball, water polo, weightlifting, wrestling, and bowling.

The varsity football team won the 8A Florida State Finals against the Osceola Kowboys on December 19, 2020, with a score of 38-10.

This made them the third high school in Central Florida history (behind Apopka and Bishop Moore) to win more than one football state championship.

The Dazzlers have earned over 16 National Titles in high kick since 1997, and have numerous other awards in field marching/performing, jazz, contemporary, pom, hip hop, lyrical, and military.