Early in the film, when the girls are in the library talking about joining the basketball team, one girl explains that her boyfriend gave her his letter jacket and she shows the others. It says "O'Hara" on the back. Writer/Director Tim Chambers graduated from Cardinal O'Hara high school in Springfield, Delaware County, PA.
During the Cathedral scene, when Kathy comes in late and passes the recruiting poster down the row, all the nuns passing the poster are members of the 1972 Immaculata Championship team.
Early in the film as Coach Cathy Rush checks out the school's activity room, boxes with laser printed labels (both taped on and sealed onto) can be seen. This film takes place in the early 70's and such printing (fonts, style etc) wouldn't have been available.
Basketball scoreboard displays [POSSESSION] indicating which team is to receive the ball at next change of possession (jump ball). The events occur in 1972. The alternating possession arrow rule went into effect in college basketball in 1981.