[citation needed] The school has a freshman enrollment of 600 students and is accredited by the Texas Education Agency.

The 1942 season was the first time that Leander made an appearance in the playoffs after being named district champions.

[3] In 1959, Leander went 4-5-1, before advancing to the bi-district game against Johnson City High; they fell 6-8.

[6] After 27 years without making it to the playoffs, Leander returned to a bi-district game in 1996 with a record of 7–2–1.

For their final playoff game of the season, Leander faced Allen High School in the state 5A quarterfinals.

They played Bastrop in the bi-district game, and advanced to area after beating the Bears 39–13.

[12] In 2006, Leander was named district champion and made it to the bi-district game against Ellison.

Leander's yearbook, "The Lair," has been in publication since 1946, providing a comprehensive record of student life, achievements, and school events.

The yearbook program is advised by Lindsie Alley, who has been at the helm since the beginning of the 2016 school year.

In 2019, "The Lair" received its first major national award, earning a Silver Crown from the Columbia Scholastic Press Association for the yearbook titled "Are You In?".

In 2021, the yearbook "Oddly Enough" earned a Silver Crown from the Columbia Scholastic Press Association, affirming the program's continued excellence.

Leander High School offers an Air Force Junior Reserve Officer Training Corps class for grades 9-12.