His singing tone shifts between baritone & tenor & he is very talented at banjo & guitar (still unshown, except for the singing)
James isn't good at chemistry as seen in War Games when he accidentally blew up the lab & broke a couple beakers.
James' grades at Antarctic Penguin Middle School are:
Math: B+
Science: B-
Art: A-
Language Arts: A
Reading: A+
Advanced Math Physics: B-
Honors Language Arts: A+
Basic Computer Skills: B-
James has gotten Honor Roll 3 years in a row, despite the fact John "helps" him with his homework, he's also one of the only 2 penguins who've learned even more at school