Tanner Burgdorf, vice president of the South Portland Hig School Class of 2009, helps usher in the seniors at June 7 graduation exercises at Martin Field. There were 197 graduates in the class. (Diane Hudson photo)Principal Jeanne Crocker, right, presents a diploma to graduate Jacob Viola at South Portland’s graduation ceremony. (Diane Hudson photo)The bleachers at Martin Field were filled with jubilant supporters for the 2009 graduating class at South Portland High School on June 7. (Diane Hudson photo)