From the book Images of an Age:[2] "Community members tried unsuccessfully to form a high school district as early as 1889.

A separate Clovis High School was financed by bonds in 1903, east of the railroad track between Fourth and Fifth Streets.

"[excessive quote] In 1920, Clovis High School moved into new facilities on Fifth Street built by William Weeks.

This unique building had churrigueresque arches which were patterned after the detailed baroque architecture of Spain in the late 17th and early 18th centuries.

[6] It has a library media center, choir and lecture halls, and a drama room constructed as a small black box theater.

[9] Clovis High School offers 13 Advanced Placement courses, as well as a variety of core and elective classes.

Clovis High School is a part of the TRAC, or Tri-River Athletic Conference -Girls water polo has won 4 Valley titles, with the most recent coming in 2015.

Clovis High also has an award-winning drama department, a dance repertory, and an active student leadership program.

In 2015 and 2016, the Clovis High Indoor Percussion Ensemble traveled to Dayton, Ohio to participate in the Winter Guard International World Championships.

The Cougar's Growl, Clovis High's student-produced newspaper, comes out eight times a year, and has won the International First Place Award in the Quill and Scroll News Media Evaluation, 2007–2008.