Iowa high school girls' basketball rankings: Sioux Center, Regina, Springville enter postseason ranked No. 1

As the tournament trail begins in girls' basketball, Sioux Center, Iowa City Regina and Springville top the IGHSAU's final rankings in Class 3A, 2A and 1A, respectively.

Sioux Center (21-0) and Regina (22-0) finished the regular season unbeaten, while Springville, the defending 1A state champion is 19-2.

Regional play tips off Thursday in Class 1A, though all 15 ranked teams have byes to Tuesday's quarterfinals. Class 2A and 3A teams begin the postseason Saturday.

Springville will host the winner of HLV and Iowa Mennonite, Regina takes on the Alburnett-Tipton winner and Sioux Center plays Sheldon. Here are the complete brackets.

Final rankings in 4A and 5A will be released Monday.

Movement in this week's poll included Center Point-Urbana climbing to No. 3 in 3A, flipping spots with Crestwood. In 2A, Western Christian hopped over North Linn to No. 4; the Lynx are now No. 5 after a loss to Springville. Newell-Fonda moved into the top five in 1A at No. 4, while Glidden-Ralston fell six spots to No. 10.

In the area, Mid-Prairie jumped from 14th to 12th in 3A and Bellevue Marquette moved up a spot to No. 6 in 1A. Ackley AGWSR joined the 1A poll at No. 14 and Lynnville-Sully slipped from 11th to 15th.

Class 3A

1. Sioux Center 21-0 (1)

2. Pocahontas Area 21-1 (2)

3. Center Point-Urbana 18-3 (4)

4. Crestwood 18-1 (3)

5. Cherokee 17-3 (5)

6. Union 19-2 (6)

7. Davenport Assumption 12-7 (7)

8. Clear Lake 18-3 (8)

9. Shenandoah 19-2 (10)

10. Mount Vernon 15-6 (11)

11. Monroe PCM 16-3 (12)

12. Mid-Prairie 15-6 (14)

13. Algona 17-4 (15)

14. West Marshall 18-3 (9)

15. North Polk 15-6 (NR)

Dropped out: Humboldt (13)

Class 2A

1. Iowa City Regina 22-0 (1)

2. Treynor 22-0 (2)

3. Central Decatur 21-0 (3)

4. Western Christian 19-2 (5)

5. North Linn 21-1 (4)

6. Panorama 20-1 (7)

7. Pella Christian 12-8 (6)

8. Cascade 19-2 (8)

9. West Sioux 20-1 (9)

10. Van Meter 17-3 (10)

11. Mount Ayr 19-2 (13)

12. Logan-Magnolia 18-3 (11)

13. West Lyon 17-4 (12)

14. Maquoketa Valley 18-4 (14)

15. IKM-Manning 16-4 (15)

Dropped out: None

Class 1A

1. Springville 19-2 (1)

2. Turkey Valley 18-2 (2)

3. Exira-EHK 19-1 (3)

4. Newell-Fonda 18-3 (6)

5. Lansing Kee 14-4 (5)

6. Bellevue Marquette 18-3 (7)

7. Kingsley-Pierson 20-1 (8)

8. Sidney 19-1 (9)

9. Janesville 21-0 (10)

10. Glidden-Ralston 17-3 (4)

11. West Hancock 18-3 (13)

12. Burlington Notre Dame 16-6 (14)

13. Westwood 15-6 (15)

14. Ackley AGWSR 16-4 (NR)

15. Lynnville-Sully 19-2 (11)

Dropped out: Colo-Nesco (12)