There are more than fifty activities that a student can participate in at Coronado. Among them are Spanish and French clubs, Key Club, NHS, and AP Club.
Color Guard/Winter Guard
The Coronado Color Guard marches alongside the award-winning Coronado Cougar Pride Marching Band during the fall and participates in the WGASC for Indoor Season from December to April. The Guard has received numerous Excellent and Superior ratings for almost an entire decade. They practice flag, swing flag, rifle, sabre and airblade.
Varsity Quiz
Coronado's Varsity Quiz team has been a state playoff team each year since 2004, and they won their first State Championship in 2008. The same year, they became the first team in Nevada to compete in the National Academic Quiz Tournaments' High School Championships. The team also won the State Championship in 2016.
Robotics
The Coronado Computer/Robotics Club participates in the annual FIRST Robotics Competition. They received a participation grant from NASA for their "Rockin Robots" project in 2009/10.
Theatre
The Coronado Theatre department puts on two yearly productions. Other productions include Broadway Memories, the Student Directed Short Play Festival, and Theatre Awards Night. The 2009–2010 season included a production of William Shakespeare's A Midsummer Night's Dream and a production of George Abbott's The Pajama Game, in 2019 the Theatre performed Amanda Brown's Legally Blonde. The Theatre Department is now headed by Tobias Torres.
Choir
The Coronado Choir has performed in cities such as Anaheim, Chicago, Honolulu, and Flagstaff. They performed in Carnegie Hall in New York City in the spring of 2016. The department features six official groups, including Madrigals, Bella Voce, Glee Club, Concert Choir, and a men's and women's barbershop.
The boys team won the Nevada Interscholastic Activities Association state championship in 2004, 2005, 2010, and 2015. while the girls team won 2006, 2007, and 2008.
Volleyball
Coronado High School's boys volleyball program has made ten state tournament appearances between 2004 and 2017, including four regional championships, three state runners up, and back-to-back state championships in 2012 and 2013. Coronado High School's girls volleyball program has made six state tournament appearances between 2003–2017, including six regional titles, one state runner up finish, and a state championship "three-peat" with three state championship titles in 2013, 2014, and 2015.
Tennis team
The women's team won the Nevada 4A State Title in 2003, 2017, and 2018. Baseball Team The 2014 boy's varsity baseball team won the Division 1 Nevada state championship.