Centennial High School
#29
Best ACT in Illinois High Schools
1,444
Students
13.8:1
S:T Ratio
School Snapshot
Key metrics at a glance1,170
B+
28
A
16
A
19%
C
14:1
A-
This Week at Centennial – July 27, 2026
185 students practicing on Varsity Tutors
Academic Resources
Typical courses and practice resources for students at Centennial High School
Standardized Test Dates
Upcoming national, state, and school calendar dates that affect students at Centennial High School.
National Tests
August 7, 2026
SAT — National
August 11, 2026
SAT — National
August 14, 2026
ACT — National
August 22, 2026
SAT — National
August 28, 2026
SAT — National
September 1, 2026
ACT — National
Unlock Academic Success
Personalized learning support for Centennial High School learners
SAT Prep
Practice tests, flashcards, and AI-powered study tools
ACT Prep
Master all four sections with targeted practice
Study Coach
Get instant help with homework and practice problems 24/7
1:1 Tutoring
Match with expert tutors in Champaign
Live Classes
Join interactive group sessions with expert instructors
Practice Hub
Thousands of flashcards and learning resources
913 Crescent Dr, Champaign, IL 61821
(217)351-3954
Visit Website
Champaign CUSD 4
Teachers & Staff
Find contact info, departments, and classroom details
“**Positively transforming learning and life outcomes for students through educational justice, equity, and excellence.**”