This page is meant for Jacob's relationships. If you're looking for his main article then go here.
Jacob and his mom share a good relationship. Jacob's mom is shown embarrasses Jacob a lot.
While their relationship hasn't gone into full scope, they are on good terms
While their relationship is shown completely, they aren't on good or bad terms. Jacob tends to dislike Joey's ego, however.
The Headmaster Edit
Jacob doesn't like how the Headmaster treats everyone. Like every other student, Jacob has to respect the Headmaster.
They may not be on bad terms, but Jacob dislikes Mrs.Serene's strictness to everyone.