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 four touchdowns and 13 interceptions. In 1973, he threw for 910 yards with four touchdowns and seven interceptions while continuing to split time with QB Vince Ferragamo as he did in the previous season. In 1974 Bartkowski threw for 2,580 yards,12 touchdowns, and seven interceptions. He completed 182 passes out of 325 attempts. In addition to playing college football, Bartkowski was also an All-American baseball player at first base for the Bears.
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.