Class 5A Iowa high school football RPIs, through Week 1

For the second straight year, the 16 playoff teams in Class 5A football will be determined solely by Ratings Percentage Index (RPI).

RPI is determined by three factors: W-L percentage (37.5 percent), opponents’ W-L percentage (37.5 percent) and opponents’ opponents’ W-L percentage (25 percent).

Here is how the top 24 teams stand through Week 1 determined by our unofficial calculations:

1. Des Moines Lincoln (1-0, 7-3, 53-44, .7741)

2. Des Moines Roosevelt (1-0, 7-4, 48-42, .7469)

3. Ottumwa (1-0, 5-4, 50-35, .7304)

4. West Des Moines Valley (1-0, 5-4, 50-39, .7237)

5. Waterloo West (1-0, 5-4, 43-39, .7144)

6. Ankeny (1-0, 5-5, 54-35, .7117)

7. Linn-Mar (1-0, 5-4, 41-40, .7098)

8. Dubuque Senior (1-0, 5-4, 39-42, .7037)

9. Southeast Polk (1-0, 4-5, 51-34, .6917)

10. Sioux City North (1-0, 6-6, 47-46, .6888)

11. Sioux City East (2-0, 5-7, 66-47, .6773)

12. Cedar Rapids Kennedy (1-0, 4-5, 40-42, .6637)

13. Cedar Falls (1-0, 3-6, 49-34, .6476)

14. Urbandale (1-0, 3-7, 57-36, .6407)

15. Ames (1-0, 3-6, 50-43, .6344)

16. Council Bluffs Abraham Lincoln (1-0, 4-8, 53-49, .6299)

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17. Davenport West (1-0, 3-6, 41-40, .6265)

18. Pleasant Valley (1-0, 2-7, 42-39, .5879)

19. Des Moines North (1-1, 6-5, 62-54, .5256)

20. Sioux City West (1-1, 6-6, 58-59, .4989)

21. Des Moines East (0-1, 9-3, 48-49, .4050)

22. Cedar Rapids Prairie (0-1, 7-2, 35-46, .3997)

23. Ankeny Centennial (0-1, 7-3, 48-46, .3902)

24. Waukee (0-1, 6-3, 48-45, .3790)

Comments: jeff.linder@thegazette.com