Head TAs: Spencer Doyle & Jordan Manela
You have arrived at the website for Princeton University’s Department of Computer Science’s Intro COS Lab hosted in Lewis Library. Come to get debugging help with programming assignments in any of the courses of the introductory COS curriculum (COS 109, 126, 217, and 226).
Useful Links
- Read once before going to queue
- Access the Intro Lab Queue Form
- View the Lab Queue
- Give your Intro Lab TA some feedback
- Information about becoming an Intro Lab TA (and get paid!)
Announcements
The lab will be open starting on Friday, January 31 for the Spring 2025 semester
The lab will be closed for the semester starting on Tuesday, May 6
For this semester, the room schedule will be as follows (with a few exceptions):
Monday, Wednesday, Thursday, Friday, Saturday, Sunday:
- COS 126/109: Lewis Library 121
- COS 226/217: Lewis Library 122
Tuesday:
- COS 126/109: Lewis Library 134
- COS 226/217: Lewis Library 138
Exceptions:
Saturday, February 1:
- COS 126/109: Friend Center 101
- COS 226/217: Friend Center 101
Tuesday, February 11; Friday, April 18; Saturday, April 19:
- COS 126/109: Lewis Library 120
- COS 226/217: Lewis Library 138
Spring 2025 Schedule
| Monday | Tuesday | Wednesday | Thursday | Friday | Saturday | Sunday | |
|---|---|---|---|---|---|---|---|
| 126 and 226/217 lab TAs available | 7-11pm | 7-11pm | 7-11pm | 7-11pm | 7-11pm | 3-7pm | 5-11pm |
Lab TAs will be available in-person ONLY usually in Lewis Library. Once you arrive in Lewis, to request help from the Lab TAs, go to labqueue. Please note that Lab TAs focus ONLY on debugging questions with existing code, all other questions should be redirected to Ed or office hours.
– Last updated January 29, 2025.