Here is a college level paper outline example from Purdue OWL:
I. Introduction
A. Hook
B. Thesis statement
C. Main points
D. Roadmap
II. Body
Paragraph 1: Introduces the first main point
A. Topic sentence
B. Context
C. Supporting evidence
Paragraph 2: Introduces the second main point
A. Topic sentence
B. Context
C. Supporting evidence
Paragraph 3: Introduces the third main point
A. Topic sentence
B. Context
C. Supporting evidence
III. Conclusion
A. Restate the thesis
B. Summarize main points
C. End with a punch