[2] Kentlake High School was designed by the architectural firm Burr Lawrence Rising and was built in 1997.

Under a cooperative agreement with King County Parks, an adjacent 10-acre (40,000 m2) site provides additional fields for Kentlake's athletic programs.

Kentlake High School offers several Advanced Placement (AP) courses to the students.

One of the benefits of being a new high school in these times is having up-to-date technology, which includes digital recording capabilities.

Just this week the Kentlake High School Jazz Ensemble has been declared the winner (by taped audition) of the “Big Bad Voodoo Daddy Contest”, sponsored by Selmer Music Co., resulting in a performance by the recording group at Kentlake on March 21, 2001.

Kentlake's former band Director, Chuck Stowell who is a graduate of the University of Washington, retired after the 2014 school year.

[9][10] In March 2011, a Kentlake High School teacher, Barbara Anderson, was charged with felony sexual misconduct with a minor after she was accused of having sex with a 17-year-old boy.

[11] On April 3, 2012, two students were arrested by the Kent Police Department after the administration reported that a loaded gun had been brought to school.