Bartkowski was a consensus All-American his senior season in 1974 at the University of California, Berkeley when he led the nation in passing. In 1972, Bartkowski threw for 944 yards with 4 TD vs 13 INT. In 1973, he threw for 910 yards with 4 TD vs 7 INT while continuing to split time with QB Vince Ferragamo as he did in the previous season. In 1974, he threw for 2,580 yards with 12 TD vs 7 INT with 182 completions on 325 pass attempts. In addition to playing college football, Bartkowski was also an All-American baseball player at first base for the Cubs.
Bartkowski still holds almost every Falcons passing record. However, on December 30, 2013 Matt Ryan surpassed Bartkowski's all-time passing yards record. He was inducted into the Georgia Sports Hall of Fame on May 19, 2007.