PHOTOS BY JEFF GRANIT staff Above: Zachary Volkmann, 8, walks the balance beam during the second-graders' "Circus Around the World" production May 11 at the Barclay Brook School in Monroe. The students gave two performances as the culmination of an artists-in- residence program. The interdisciplinary curricular experience included physics, math, history, language and geography. Right: A makeshift human swing was part of the show, as was a student performance of a song by Irish rock band U2 (below).