This past weekend, the only student-run ballet companies in the Ivy League —Princeton University Ballet, Harvard Ballet Company and Columbia Ballet Collaborative —joined forces to produce performances that both showcased and celebrated the strengths of the dance groups. The Ivy Ballet Exchange was founded two years ago by the leaders of the ballet companies at Princeton, Harvard and Columbia with the intention of recognizing the works of student-run dance companies and emphasizing the fact that these diligent dancers could pursue their academic studies while remaining committed to ballet. “It was started as an idea for these really great ballet companies to come together and share what they had been working on, artistically,” Princeton University Ballet president Emily Avery ’17 said. The leaders of the dance companies began planning for this event over a year ago because the exchange required a lot of foresight and logistical planning. “Getting the logistics worked out was definitely a challenge.