Are you going to be in Waterloo for this upcoming Rosh Hashana? Great! (we assume that you answered yes) There are several options for meals and prayer services:

Chabad will be hosting meals and services; see http://www.facebook.com/event.php?eid=213523355376957 
for comprehensive details.

Students are welcome to participate in services and celebrations at Beth Jacob in Kitchener, free of charge. For more information, contact Rabbi Zuckerman at rabbi@bethjacobkw.ca.

Are you interested in hosting your own Rosh Hashana dinner? Hillel is willing to subsidize the cost of your meal.
Send an email to hillel@hillelwaterloo for details.