 The centennial celebrations culminated in the dedication of the $44 million Arlington High School campus, attended by an all-class reunion of the old school.In 2007, the city of Arlington renovated six blocks of downtown's Olympic Avenue at a cost of $4.4 million, widening sidewalks, improving street foliage, and adding new street lights.The project was credited with helping revitalize the city's downtown, turning Olympic Avenue into a gathering place for residents and a venue for festivals.