It was named for local businessman William F. West, who donated money and land to the school district.

The gym, days later, held an Amateur Athletic Union tournament, with a game played that helped to raise funds for a local cerebral palsy charity.

[6] Students receive free access to the PSAT due to funding provided by a local organization, the Chehalis Foundation.

The shop, part of a business and marketing class supported through the Distributive Education Clubs of America (DECA), is run in-full by the students.

[12] That rate increased to 100% in 2019, beginning a four year stretch in which the entire graduating senior classes were accepted into college.

[14] The high school's gymnasium hosted the first-ever meeting between the rival Portland Trail Blazers and Seattle SuperSonics in an NBA pre-season exhibition game on September 30, 1970.

[15] Millett Field was used as home turf for the Chehalis Bearcat's football team until 1932, moving to new grounds after flooding issues and the loss of the grandstand prohibited large crowds from attending the games.

[17] When the games were played on the Bearcat's home turf of Millett Field, the Chehalis teams never lost to Centralia.

West High School holds a local parade that traverses through several neighborhood and business districts in Chehalis, ending at Stan Hedwall Park.

[12] The graduating class also participates in a "Senior Walk", visiting the elementary and middle schools in Chehalis.

Begun in the late 2010s, it allows seniors to meet with younger pupils and reconnect with previous teachers and staff.