 The school grounds are bordered on the east and southeast by Santa Rita Road , a Union Pacific railroad track on which the Altamont Commuter Express runs , and Arroyo Valle . To the north are several businesses and residential districts lie on the western border . The school is the launch point for the annual Pleasanton Hometown Holidays Celebration Parade and the annual Fall Festival Parade , a part of the Alameda County Fair since the 1940s . The Fall Festival parade , which features bands , floats , balloons , horses , and antique cars , starts on the Amador Valley parking lot , travels down Main Street , and ends near the fairgrounds . 
