Here's the state's latest high school football rankings, released Monday, Oct. 20 — heading into the final week of the regular season for big classes and first-round playoff games for small schools .

A reminder: Class 5A, 4A and 3A all use RPI ratings based on the team's record, their opponents' combined record, and their opponents' opponents' record. The rest of the classes are determined by a rankings committee.

Teams below are listed with their record and, for 5A-3A, their RPI.

Class 5A

1. Dowling Catholic, 7-1 | .6711

2. Waukee Northwest, 7-1 | .6443

3. Sioux City East, 7-1 | .6323

4. Iowa City Liberty, 7-1 | .6300

5. Johnston, 6-2 | .6294

6. Ankeny, 6-2 | .6245

7. West Des Moines Valley, 6-2 | .6208

8. Cedar Falls, 6-2 | .5777

9. Dallas Center-Grimes, 6-2 | .5775

10. Io

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