Hi! The verb in your example sentence should be 'accept' and not 'except'.
Below are two links to videos that explain the difference in pronunciation and meaning between 'accept' and 'except'
https://www.youtube.com/watch?v=j_GzluVJHYw
https://www.youtube.com/watch?v=9Rcb0_Er45c
0 voted
March 14, 2016
2
Answered
I agree that 'computer science graduate student' sounds better. Although, I would probably say, "I am getting my master's in computer science."