[image format] Plano Senior High School (commonly Plano, Plano Senior, or PSHS) is a free public secondary school in Plano, Texas, United States serving students in grades 11-12. The school is part of the Plano Independent School District, with admission based primarily on the locations of students` homes. Plano is a two-time Blue Ribbon Sc... Found on http://en.wikipedia.org/wiki/XPM_(image_format)