In 1978 additions were added to the north and south ends of the building providing a swimming pool, fieldhouse, greenhouses, library, commons, and administrative offices.

In the summer of 1998 ground was broken for the addition of twenty-eight classrooms, a fitness center and dance studio, and the construction of a new sports stadium.

[9][10] West Chicago formerly competed in the DuPage Valley Conference (DVC), where it was one of the smallest schools.

The Athletic Department sponsors interscholastic teams for young men and women in basketball, cross country, cheerleading, golf, soccer, swimming & diving, tennis, track & field, volleyball and, wrestling.

[11] The following teams have placed in the top four of their respective IHSA sponsored state championship tournament or meet:[12] West Chicago offers over 40 clubs and activities for students, ranging from academic and vocational, to cultural and leadership (the entire list of which can be found here).

The following activities have placed in the top four of their respective IHSA sponsored state tournament:[12] The following are Journalism Education Association/National Scholastic Press Association national awards that the members of the Wildcat Chronicle staff have won.