Nate Elfant, Austin Zimmer, Dalai Jamiyankhuu and Brian Spinello earned all-state medals Saturday.
Six CSL teams will be represented at the boys gymnastics individual state meet at Lincoln-Way East.
In their first season as separate teams, Deerfield and Highland Park will be well represented at state.
Glenbrook North finished second at Thursday's Stevenson Sectional with 147.80 points.
GBN won its second straight CSL Meet with senior Nate Elfant earning first in all-around and three events.
Niles North's Micah Beller raced to third in a talented 1,600-meter run field Friday at the Prospect Invite.
Glenbrook North (2nd), GBS (4th) and Niles West (5th) were among 12 teams Friday at the Niles West Invite.
Here is a roundup of Tuesday's boys volleyball, badminton, boys tennis, girls water polo and boys gymnastics action.
Photos from the Niles North Boys Gymnastics Invite from April 21.
Deerfield-Highland Park gymnasts at Palatine Sectional
Niles North gymnasts at Lincoln-Way Sectional