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                                 Stony Brook University
                                  
                           
                           
                              
                                  
                           
                        
                     
                  
               
               
               
               
               
               
               
               
               
               
               
               
               
               
               
               
               
            
         
         
      
   
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Calendar
Summer 2021
Note: Students should review the Tuition and Aid page for information regarding liabilty deadlines
| Session 1 | Session 1 Extended | Session 2 | Session 2 Extended | Graduate Online | |
|---|---|---|---|---|---|
| Dates | May 24 – July 3 | May 24 – July 17 | July 5 – August 14 | June 21 – August 14 | May 24 – August 1 | 
| Registration for continuing Graduate students | April 12 | April 12 | April 12 | April 12 | April 12 | 
| Registration for U4 senior (by enrollment appointment) | April 12 | April 12 | April 12 | April 12 | - | 
| Open Enrollment - registration begins for all eligible graduate and undergraduate students | April 13 | April 13 | April 13 | April 13 | - | 
| Classes begin. Late registration fee applies - $50 per session | May 24 | May 24 | July 5 | June 21 | May 24 | 
| Last day to add courses without permission (late fee applies) | May 26 | May 26 | July 7 | June 23 | June 7 | 
| Correction Day: Classes follow a Monday Schedule on Friday | May 28 | May 28 | - | - | - | 
| Saturday Classes begin | May 29 | May 29 | July 10 | June 26 | - | 
| Memorial Day, campus closed | May 31 | May 31 | - | - | May 31 | 
| Last day to add courses with permission (late fee applies) | June 1 | June 1 | July 9 | June 25 | June 7 | 
| Last day to SWAP a course | June 1 | June 1 | July 9 | June 25 | June 7 | 
| Last day students can be enrolled from a waitlist | June 1 | June 1 | July 9 | June 25 | June 7 | 
| Last day to drop courses without a "W" | June 1 | June 1 | July 9 | June 25 | June 7 | 
| Last day to withdraw from one or all Summer Sessions courses - "W" assigned | June 25 | June 25 | August 6 | August 6 | June 25 | 
| Last day for undergraduate students to change courses to or from Graded Pass No Credit Option | June 25 | June 25 | August 6 | August 6 | - | 
| Last day for section/credit changes | June 25 | June 25 | August 6 | August 6 | - | 
| Session ends | July 3 | July 17 | August 14 | August 14 | August 1 | 
| Independence Day - University Closed | - | July 4 | - | July 4 | July 4 | 
| Deadline for changing incompletes to letter grades | October 29 | October 29 | October 29 | October 29 | October 29 | 
Past Summer Calendars
                               Stony Brook University
Registrar's Office
                                 276 Administration Bldg.
Stony Brook, NY 11794-1101
(631) 632-6175 (Option 1)
