[1] Several drama productions continued into the 1970s including Arsenic and Old Lace, Finian's Rainbow, and Cinderella.

[1] The drama department continued to produce plays including Oliver!, Joseph and the Amazing Technicolor Dreamcoat, My Fair Lady, Camelot, Harvey, Oklahoma!, and You're a Good Man Charlie Brown.

During the spring of 1988, the Alumni Association organized and produced the original version of Calvary Hill.

Incorporated in the approximate 2,800 square feet of the activity center was a new lunchroom, gymnasium, and several shower facilities for the athletic teams.

In addition, two new meeting areas, an after-school program and a religious gift shop housed in the activity center.

[1] In April 2004, a new 12,000 square foot building housing the religious gift store, weight room, and mechanical shop opened at the corner of 10th and Locust.

[1] Due to anonymous donations, the St. Mary’s Colgan Fieldhouse was built north of the Elementary school, across 10th Street.

The addition is the location of several meetings, youth activities, and informal gatherings during lunch and before and after school.

Included in the addition was new administrative office space and a new teacher’s lounge, as well as a more secure entrance.

Similarly, GRACE was started for high school girls who met to pray a chaplet and share a meal.

[1] The football program experienced a large amount of success during the decade including a 66-game winning streak between the 2000-2005 seasons.

Plays throughout the decade included The Wizard of Oz, A Christmas Story, The Sound of Music, Cinderella, and Into the Woods, as well programs to honor veterans.

In other facility upgrades on campus, a free-standing weight room was added, just west of the practice field.

The students chose to name their communities: St. Padre Pio, St. Teresa of Calcutta and St. Maximilian Kolbe.

[1] State championships won through the decade included boys' golf, softball, and baseball.

[1] Due to the outbreak of COVID-19, in-person school attendance was cancelled the week prior to spring break.

One of the most successful sports programs at St. Mary's-Colgan is the football team, which has won seven state championships and has produced several collegiate athletes.

Throughout its history, the Panther baseball team has won 16 state championships and has produced a few collegiate athletes, similar to the football program.