Maine West captured its first regional title since 1999 in a field that featured six CSL teams Saturday.
New Trier won the Glenbrook South Regional that also included the host school and Glenbrook North.
Waukegan hammered Loyola 79-56 Saturday at the War on the Shore for its seventh win in a row.
Evanston fell to St. Patrick 58-56 Saturday in the war on the Shore at Loyola.
New Trier lost for the second time in two days Saturday, falling to St. Ignatius 49-42 at the War on the Shore.
The Maine South boys basketball team beat Libertyville 50-47 Saturday at the Bradley Center in Milwaukee.
The Glenbrook South girls basketball team defeated Lincoln Park 69-37 Saturday.
Waukegan handed New Trier its first CSL South loss, 54-51 Friday, to force a tie atop the conference.
Photos from Maine South's 55-53 victory over Niles North
Photos from Maine South's 57-41 victory over Elk Grove
Photos from the CSL conference wrestling meet
Maine South gymnasts place second at Niles North Viking Invitational Saturday.
Maine West gymnasts at Niles North Invite
Glenview native Danny Hazan is a staff reporter for CSLinsider.com. He is also president of End to End, a high school basketball magazine covering Illinois boy's basketball.