Category:Alumni by high school in Illinois

• Alumni by high school in Cook County, Illinois‎ (8 C)

B

• Belleville High School-West alumni‎ (7 P)
• Benet Academy alumni‎ (8 P)
• Bloomington High School (Bloomington, Illinois) alumni‎ (12 P)

C

• Champaign Central High School alumni‎ (6 P)

F

• Freeport High School (Illinois) alumni‎ (6 P)

H

• Highland Park High School (Illinois) alumni‎ (45 P)
• Hononegah Community High School alumni‎ (5 P)

J

• John Hersey High School alumni‎ (10 P)
• Joliet Central High School alumni‎ (2 P)

L

• Lake Forest Academy alumni‎ (57 P, 1 F)
• Lake Forest High School (Illinois) alumni‎ (16 P)

N

• New Trier High School alumni‎ (137 P)
• North Shore Country Day School alumni‎ (12 P)

U

• University Laboratory High School (Urbana, Illinois) alumni‎ (22 P)