I claim the ornamental design for a ventilated ceiling tile, as shown and described.
FIG. 1 is a bottom view of a ventilated ceiling tile;
FIG. 2 is a top view thereof;
FIG. 3 is a right-side view thereof;
FIG. 4 is a front view thereof;
FIG. 5 is a left-side view thereof;
FIG. 6 is a back view thereof;
FIG. 7 is a perspective view thereof;
FIG. 8 is a bottom view thereof, the broken lines and the number 9 serve to identify the location of drawing view 9, and do not form part of the claimed design; and,
FIG. 9 is an enlarged fragmented view of FIG. 8, the broken lines do not form part of the claimed design.