The Youth Team finished the season with a 1-0 win over Wigan Atheltic at Radcliffe Borough on Tuesday afternoon.
Harry Pratt scored the only goal of the game shortly before the break.
The result means that Bury have been crowned Champions of the North West Youth Alliance League, while Tuesday's opponents, Wigan, are runners up.
Dale have finished the season in third place.
Rochdale won 20 games, drew three and lost seven, while scoring impressive 69 goals during their league campaign!