For the 2009 football season, the Cedar Park Timberwolves football team competed in the 16-5A district. They were District Champions. They were also District Champions in the 2010 season. Cedar Park also won 15-5A team championships in 2004-2005 with District W-L Record 7-0. In the 2011 season the Timberwolves were district runners-up to eventual state champions Lake Travis, Cedar Park had a 6-1 district record. Competing in 25-4A, along with the other LISD schools, the team was 2012 UIL 4A state finalist. After the final playoff game on December 21, 2012, Cedar Park became the 2012 State Champions. In 2014, Cedar Park went to the state championship once again and became runner-up in the state. After an undefeated season and play-off run, on December 19, 2015, CPHS won their second state title defeating Frisco Lone Star 22-6.
Marching band
The band has been a finalist at UIL State and Bands Of America Regional and Super Regional marching band competitions. The band also is a two time Bands of America Marching Band Grand National Championships Finalist, placing 10th in 2010 and 5th in 2016. The Cedar Park High School Timberwolf Band was crowned the 2001 UIL State 4A Marching Band Champion and also in 2011. In 2013, the band was awarded the Silver medal at the UIL 4A State Competition. In 2015, 2017, and 2019, the band was crowned the UIL State 5A Marching Band Champion. In 2015 and 2017, it was the first time the CPHS Band won state back to back. The Cedar Park High School Percussion has won multiple Lonestar Classic "State Championships," including 2011 and 2017. The Color Guard has won 1st place in the 2011 Texas Color Guard Circuit State Championship as well as several other local and state competitions.
Boys' basketball
The Cedar Park Timberwolves 2010 basketball team are District Champions 16-AAAAA. Final four appearance in 2011, lost to eventual state champion Dallas Kimball. In the 2014-2015 season, the boys became the champions of district 25-AAAAA with a district record of 13-1. They made a run through the UIL playoffs that ended in the state semi-finals on March 12, 2015 in the Alamodome with a 57-46 loss to Beaumont Ozen. They ended the best season in school history with an overall record of 28-7.
Girls' basketball
Coached by Mark Myers, the girls' 2014-2015 basketball team tied the Georgetown Eagles for a second place spot in district 25-A. That marked their 9th consecutive year to advance to playoffs. The Lady Wolves made it to the 3rd round, right before the regional tournament, to once again face the Georgetown Eagles. The Wolves took a tough loss by three points to end the season. This team was ranked 13th in their state division. The Wolves have yet to make it past the third round of playoffs.
Cross country
The Cedar Park Timberwolves boys' cross country running team took eighth place at the 2008 Nike Cross National championships, and were ranked number 1 in the nation for boys' cross country as of Oct. 2, 2009. The boys' team won state in 2010.
Boys' lacrosse
The Cedar Park Timberwolves boys' 2017 team were undefeated in the central district of Texas, but only losing to 3 out of district games. They went to State in 2017 season, but did not make it to the semifinals.
Robotics
Cedar Park High School is home to FIRST Robotics Competition team 5052. The team was started in 2014 and has gone to world championships.
Journalism
Cedar Park High School’s online newspaper, , was ranked #8 for Distinguished Sites by School Newspapers Online with a total of 33 articles listed on Best of Sno. In 2019 an anchor part of the school’s broadcast received 1st in state UIL for “Individual On-Air Talent”.
