Oswego High School
#62
Best ACT in Illinois High Schools
2,901
Students
16.3:1
S:T Ratio
School Snapshot
Key metrics at a glance1,170
B+
27
A
28
A+
23%
C
16:1
B
93%
A+
26%
C
21%
C
This Week at Oswego – October 15, 2026
392 students practicing on Varsity Tutors
Academic Resources
Typical courses and practice resources for students at Oswego High School
Standardized Test Dates
Upcoming national, state, and school calendar dates that affect students at Oswego High School.
National Tests
August 1, 2026 – November 30, 2026
ISEE — Fall Testing Season
August 3, 2026 – June 30, 2027
SSAT — Flex Testing
October 1, 2026 – October 30, 2026
PSAT 8/9 — Fall
October 1, 2026 – October 30, 2026
PSAT/NMSQT — Fall
October 1, 2026 – October 30, 2026
SAT — School Day - Fall
October 16, 2026
SAT — National
After Oswego High
Where graduates go and what they studyWaubonsee Community College
Northern Illinois University
University of Illinois Urbana-Champaign
Illinois State University
Aurora University
University of Illinois Chicago
University of Iowa
Michigan State University
Business
Psychology
Nursing
Biology
Pre-Medicine Studies
Computer Science
Marketing
Elementary Education
Unlock Academic Success
Personalized learning support for Oswego 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 Oswego
Live Classes
Join interactive group sessions with expert instructors
Practice Hub
Thousands of flashcards and learning resources