Final answer:
At the beginning of Because of Mr. Terupt, Jeffery has a negative opinion of school.
Step-by-step explanation:
In the book Because of Mr. Terupt, at the very beginning of the book, Jeffery's opinion of school is negative. He believes that school is boring, and he would rather be doing something else. For example, in the book, Jeffery says, 'School is so boring. I wish we could do something fun instead.'