Student Activity Center (SAC)
The Student Activity Center is located on the third and fourth floors of the University Square building (333 East Campus Mall). The building resides between University Avenue and Johnson Street, bordered by Lake Street on the east side.
The SAC is is the only student-run space on campus. The SAC is home to Registered Student Organization (RSO) offices ranging from 50 to 750 square feet, conference rooms, a rooftop deck, study areas, and a multipurpose room. ASM funds and allocates the office space in the SAC, while the Office for Student Organizations, Leadership & Involvement Organization Advising Team manages and provides RSO support and advising services in the space.
Hours
SAC 2026 Summer Hours (5/11-9/1/2026)
Monday – Friday | 10 a.m.–4 p.m.
SAC 2026 Summer Holiday Closures
Monday, May 25th (Memorial Day) | Closed
Friday, July 3rd (Observation of July 4th) | Closed
SAC Fall 2026 Hours (9/2-12/9/2026)
Sunday – Thursday | 10 a.m.–10 p.m.
Friday & Saturday | 10 a.m.–10 p.m.
SAC 2026 Fall Holiday Closures
Monday, September 7th (Labor Day) | Closed
Thursday, November 26th – Sunday, November 29th (Thanksgiving Break) | Closed
SAC Contact Information
Open Seat Summer 2026 Hours (5/11-9/1/2026)
Mondays | 1–4 p.m.
Tuesdays | 10 a.m.–3 p.m.
Tenant Resource Center Hours
Room 3158
Tuesday and Thursday | 10 a.m.–3 p.m
Availability in Room 3153 (3rd Floor)
SAC Additional Information
The SAC is a student run building. All policy, space allocation, and operating hours is decided by an Elected President, Vice Chair, and board representatives for the tenants housed in the SAC. Policies for the reservation and use of the Student Activity Center can be found in the UW–Madison Policy Library (UW-2021).
Reservations for the SAC can be made through the Campus Event Services (CESO) Event Management System (EMS) Meeting Room Request Form (netID and Password needed to login to the form). The CESO Meeting Room Request form should be used for all recurring reservations and any requests that are at least 3 business days (Monday – Friday) in the future. [For requests for space less than 3 days in advance, please contact the SAC desk directly for any potential availability].
GUTS
GUTS offers free tutoring and mentoring to hundreds of students and university affiliates each semester.
Open Seat food pantry
The Open Seat strives to alleviate the stresses of food insecurity by providing friendly and accessible sources of food for the students of The University of Wisconsin–Madison. Click here for more Open Seat information.
RSO Print and Resource Center
The RSO Print and Resource Center is open! We offer regular printing, specialty paper printing, different sizes, poster printing, and much more!