The ornamental design for a preschool through high schoolpicture frame, as shown and described.
FIG. 1 is a front plan view showing a preschool through high school picture frame of our new design;
FIG. 2 is a front plan view thereof;
FIG. 3 is a rear plan view thereof;
FIG. 4 is a perspective view thereof;
FIG. 5 is a perspective enlarged view thereof;
FIG. 6 is a right side elevational view thereof;
FIG. 7 is a left side elevational view thereof;
FIG. 8 is a top side elevational view of thereof; and,
FIG. 9 is a bottom side elevational view thereof.
The broken lines in FIG. 1 are to show environment and form no part of the claimed design. The additional broken lines in the figures represent portions of the preschool through high school picture frame, which form no part of the claimed design.