Nazareth, which has won 21 straight, moves up to No. 1 and Young jumps into the top five after beating Kenwood to win its fourth straight Public League basketball title.

Previous ranking: 2

Last week: Def. Kankakee 51-30; Def. St. Viator 62-34; Def. Lincoln-Way West 68-48

Up next: vs. Jones in Class 4A Nazareth Regional semifinal, Feb. 18.

Previous ranking: 3

Last week: Def. Mather 91-21.

Up next: vs. Evanston in Class 4A Evanston Regional final, Feb. 21.

Previous ranking: 4

Last week: Def. Plainfield East 70-22.

Up next: vs. Naperville North in Class 4A Benet Regional final, Feb. 20.

Previous ranking: 5

Last week: Def. Prospect 48-37.

Up next: vs. Elgin in Class 4A Hoffman Estates Regional semifinal, Feb. 18.

Previous ranking: 10

Last week: Def. Lane 80-47; Def. Kenwood 72-61; Def. Reavis 69-21.

Up next: vs. Mother McAuley in Class 4A Mother McAuley Regional final, Feb. 20.

Previous ranking: 6

Last week: Def. Downers Grove South 46-40; Def. Curie 93-21.

Up next: vs. Fenwick in Class 4A Berwyn-Cicero Morton Regional final, Feb. 20.

Previous ranking: 1

Last week: Def. Phillips 69-52; Lost to Young 72-61.

Up next: vs. Oak Park-River Forest in Class 4A Kenwood Regional semifinal, Feb. 18.

Previous ranking: 7

Last week: Def. St. Francis 59-37; Def. Payton 65-27; Def. Mansueto 93-11.

Up next: vs. Lindblom in Class 3A St. Ignatius Regional final, Feb. 20.

Previous ranking: 8

Last week: Def. Belleville East 63-49; Def. Collinsville 67-27; Def. Granite City 77-17.

Up next: vs. Quincy in Class 4A Granite City Regional final, Feb. 21.

Previous ranking: 9

Last week: Def. Naperville Central 81-74; Def. Plainfield South 88-32.

Up next: vs. West Aurora in Class 4A Waubonsie Valley Regional final, Feb. 20.

Previous ranking: 11

Last week: Def. McHenry 72-6; Def. Prairie Ridge 71-18; Def. Dundee-Crown 65-14; Def. Rockford Jefferson 83-26.

Up next: vs. Rockford Auburn in Class 4A Rockford Jefferson Regional final, Feb. 20.

Previous ranking: 12

Last week: Lost to Fremd 48-37; Def. Dundee-Crown 52-7.

Up next: vs. Palatine in Class 4A Prospect Regional final, Feb. 20.

Previous ranking: 13

Last week: Def. Zion-Benton 62-21; Def. Round Lake 66-16.

Up next: vs. Carmel in Class 4A Round Lake Regional final, Feb. 20.

Previous ranking: 14

Last week: Def. Wheaton-Warrenville South 46-35; Def. Willowbrook 73-21.

Up next: vs. Lake Park in Class 4A Willowbrook Regional final, Feb. 20.

Previous ranking: 15

Last week: Def. Morton 67-50; Def. Metamora 66-47.

Up next: vs. Morris in Class 3A Washington Regional final, Feb. 20.

Previous ranking: 16

Last week: Def. Vernon Hills 45-28.

Up next: vs. Niles North in Class 4A Leyden Regional semifinal, Feb. 18.

Previous ranking: 17

Last week: Def. Mundelein 55-28.

Up next: vs. Warren in Class 4A Lake Zurich Regional semifinal, Feb. 18.

Previous ranking: 18

Last week: Def. Highland Park 65-45.

Up next: vs. Lincoln Park in Class 4A Niles West Regional semifinal, Feb. 18.

Previous ranking: 19

Last week: Def. Jefferson City (Mo.) Helias 61-36; Def. Jacksonville 76-20.

Up next: vs. Springfield in Class 3A Jacksonville Regional final, Feb. 20.

Previous ranking: 20

Last week: Def. St. Viator 51-12; Def. Romeoville 77-27.

Up next: vs. TF South in Class 4A Marist Regional final, Feb. 20.

Previous ranking: 21

Last week: Def. Sandburg 40-27; Def. Joliet Central 57-23.

Up next: vs. Andrew in Class 4A Lockport Regional final, Feb. 20. 

Previous ranking: 22

Last week: Def. Proviso East 63-33; Def. Plainfield Central 55-12.

Up next: vs. Argo in Class 4A Nazareth Regional semifinal, Feb. 18.

Previous ranking: 23

Last week: Def. Lincoln-Way West 59-43.

Up next: vs. Joliet West in Class 4A Joliet West Regional semifinal, Feb. 18.

Previous ranking: 24

Last week: Lost to Washington 67-50.

Up next: vs. East Peoria in Class 3A Peoria Regional semifinal, Feb. 18.

Previous rank: 25

Last week: Def. Okawville 47-30; Def. Freeburg 58-25; Def. Red Bud 59-20.

Up next: vs. Breese Mater Dei in Class 2A Columbia Regional final, Feb. 20.