Continuity mistake: Throughout the scene where Spinelli shows off her jump roping skills, the two Ashley's swinging the rope quite awkwardly and choppily go from a normal to a surprised expression every second or so.
Continuity mistake: When Spinelli is challenging the hustler kid, she asks for Gretchen's bow (for a blindfold). In the shots after that, Spinelli is still blindfolded with Gretchen's bow, yet Gretchen is still wearing it.