Teams are already earning NCAA Tournament births as we enter conference championship week in full force. After holding serve at No. 1 for most of the 2025 calendar year, Auburn dropped two games last week. That moved Duke into the No. 1 spot as they are carrying an eight-game win streak into the ACC Tournament.
When looking at Auburn’s overall resume, with 16 Quad-1 wins and no losses in Quads 2, 3, or 4, it was hard to drop them any further than second at this point. Drake, Illinois, and Oregon jumped back into the top 25 after Michigan, Marquette, and Missouri each went 0-2 on the week, trending out of the rankings.
This list is how I see the twenty-five best teams in college basketball, after watching through the first 18 weeks of games. This season is coming to an end, and have officially entered conference tournament week, with Selection Sunday coming in less than seven days.
But for this moment, as we start conference tournaments, here are On3’s updated Top 25 college basketball rankings as we enter week 19 of the college basketball season.
1. Duke, 28-3 (19-1)
Previously: No. 2
Last Five: 5-0
Next: ACC Tournament
2. Auburn, 27-4 (15-3)
Previously: No. 1
Last Five: 3-2
Next: SEC Tournament
3. Houston, 27-4 (19-1)
Previously: No. 3
Last Five: 5-0
Next: Big 12 Tournament
4. Florida, 27-4 (18-2)
Previously: No. 6
Last Five: 4-1
Next: SEC Tournament
5. St. John’s, 27-4 (18-2)
Previously: No. 5
Last Five: 5-0
Next: Big East Tournament
6. Michigan State, 26-5 (17-3)
Previously: No. 7
Last Five: 5-0
Next: Big 10 Tournament
7. Alabama, 24-7 (13-5)
Previously: No. 8
Last Five: 3-2
Next: SEC Tournament
8. Tennessee, 25-6 (12-6)
Previously: No. 4
Last Five: 4-1
Next: SEC Tournament
9. Texas Tech, 24-7 (15-5)
Previously: No. 10
Last Five: 4-1
Next: Big 12
10. Clemson, 26-5 (15-2)
Previously: No. 11
Last Five: 5-0
Next: ACC Tournament
College basketball week 19 rankings: teams 11-25
11. Louisville, 25-6 (18-2)
Previously: No. 14
Last Five: 5-0
Next: ACC Tournament
12. Maryland, 24-7 (14-6)
Previously: No. 15
Last Five: 4-1
Next: Big 12
13. Memphis, 26-5 (16-2)
Previously: No. 13
Last Five: 5-0
Next: AAC Tournament
14. BYU, 23-8 (14-6)
Previously: No. 18
Last Five: 5-0
Next: Big 12 Tournament
15. Iowa State, 23-8 (13-7)
Previously: No. 9
Last Five: 2-3
Next: Big 12 Tournament
16. Kentucky, 21-10 (10-8)
Previously: No. 23
Last Five: 3-2
Next: SEC Tournament
17. Saint Mary’s, 27-4 (17-1)
Previously: No. 19
Last Five: 5-0
Next: West Coast Tournament
18. Wisconsin, 23-8 (13-7)
Previously: No. 12
Last Five: 2-3
Next: Big 10 Tournament
19. Texas A&M, 22-9 (11-7)
Previously: No. 24
Last Five: 2-3
Next: SEC Tournament
20. Oregon, 23-8 (12-8)
Previously: NR
Last Five: 5-0
Next: Big 10 Tournament
21. VCU, 25-6 (15-3)
Previously: No. 21
Last Five: 4-1
Next: A10 Tournament
22. Illinois, 20-11 (12-8)
Previously: NR
Last Five: 3-2
Next: Big 10 Tournament
23. Arizona, 20-11 (19-6)
Previously: No. 22
Last Five: 2-3
Next: Big 12 Tournament
24. Drake, 30-3 (17-3)
Previously: NR
Last Five: 5-0
Next: NCAA Tournament
25. Purdue, 21-10 (13-7)
Previously: No. 25
Last Five: 2-3
Next: Big 10 Tournament
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