WELCOME TO THE IU SOUTHEAST GRADUATE CENTER! Located on the edge of the Ohio river in Jeffersonville, the Graduate Center at 300 Water Tower Square is IU Southeast’s newest classroom space for graduate business and education students.WELCOME TO THE IU SOUTHEAST GRADUATE CENTER! Located on the edge of the Ohio river in Jeffersonville, the Graduate Center at 300 Water Tower Square is IU Southeast’s newest classroom space for graduate business and education students.Many Indiana University Southeast graduate business and education classes are now held in the 300 Building of Water Tower Square in Jeffersonville. The new location, at the foot of the Clark Memorial Bridge, provides IU Southeast with 5,600 square feet of space and classrooms equipped with the latest technology.