South Iredell High is designated an Expected Growth School of Distinction by the North Carolina ABCs Accountability program.

It educates students from surrounding areas including Troutman and south Statesville, North Carolina.

Attendance was double that figure before 2002, when Lake Norman High School was created to alleviate South Iredell's overcrowding.

South Iredell is now a part of the 4A Classification and plays in the Greater Metro 4A Conference with County Foes in Mooresville and Lake Norman[2] From 1966–2011 the South Iredell wrestling team was led by North Carolina and National Wrestling Hall of Fame Coach Bill Mayhew.

Mayhew finished his coaching career with a 712-235-1 record, with his 712 wins being the most in North Carolina high school wrestling history.

[4] In the 2012 2AA State Championship football game, the South Iredell Vikings defeated the Carrboro Jaguars with a final score of 30–27.

In the 2015 the South Iredell Lady Vikings dominated over Asheboro high school in a 3–0 win for the 3A State Championship.

Madison Peters ended up at UNC Wilmington for volleyball and played 19 matches in her freshman season.

The other 3 seniors, (Ashley Batten - UNC-Charlotte, Kylie Rothwell - Fordham University, Anna Wagoner - UNC-Chapel Hill) went on to higher education.

In 2018, the boys soccer team went 9–1 in the North Piedmont Conference, only losing to rival Statesville High School in their second matchup.

The boys soccer team leveled their now 4A rival Lake Norman by a score of 6–1 for the 4th game of their season.

Two players were named to Iredell County's Second All-County Team: Thomas Moreno (junior), and Carter Cooke (senior).

Lastly, Dylan Dellinger (senior) was also awarded North Piedmont Conference player of the year.

Notable track runners include the aforementioned Gavin Mouat, Cory Gaither, and Olivia Cooney, all of whom graduated in 2018.