The eye exam chart in Doc Lopez's office, when read top to bottom, reads "Lopez is very extremely handsome would you not agree".
The two spelling bee children, Zeneeta and Tommy, are named after the 'star-crossed' teenagers in the musical, The Music Man.
The blackboard lists several states which are all the settings of referenced musicals: Maine - Carousel; Oklahoma - Oklahoma!; Iowa - State Fair & The Music Man; New York - Guys and Dolls & Brigadoon