New Trier's Mimi Smith, Kathleen Keene and Courtney and Jessica Ackerman won state in the 3,200 relay.
Champion New Trier was among seven CSL teams that had state qualifiers at the Loyola Sectional Thursday.
Nyjah Lane's performance help Highland Park win the CSL North girls track title Friday over Deerfield.
The New Trier girls track team won the CSL South title Thursday over two-time defending champ Evanston.
New Trier (3rd), Niles West (5th), Maine South (6th), Evanston (10th) and GBN (11th) competed at the Trevian Relays.
Parker English won the long jump and 200, and Evanston won two relays at the Eastern Relays in Kentucky.
Led by double winner Courtney Ackerman, the New Trier girls track team won the Lake Park Invite Saturday.
The Waukegan girls track team is led by all-staters Ebony Smith and Maria Pettis and captain Aliyah Reams.
Photos from the Glenbrook South Girls Track Invite from April 21