Lyon High School
#24
Best Student:Teacher Ratio in Massachusetts
116
Students
7.1:1
S:T Ratio
School Snapshot
Key metrics at a glance1,270
A-
4
B-
19%
C
7:1
A+
85%
A
23%
C
21%
C
This Week at Lyon – June 3, 2026
19 students practicing on Varsity Tutors
Academic Resources
Typical courses and practice resources for students at Lyon High School
Standardized Test Dates
Upcoming national, state, and school calendar dates that affect students at Lyon High School.
National Tests
June 5, 2026
ACT
June 6, 2026
SAT — National
June 8, 2026
ACT Photo Upload/Standby Deadline
June 13, 2026
ACT — National
June 20, 2026 – July 4, 2026
SAT Score Release Date
June 23, 2026
ACT
State Assessments
March 23, 2026 – June 5, 2026
Massachusetts Comprehensive Assessment System
March 24, 2026 – June 10, 2026
MCAS — High School
School Milestones
June 4, 2026
School End/Summer Start
June 5, 2026 – June 16, 2026
Graduation
June 12, 2026 – June 22, 2026
School End/Summer Start
After Lyon High
Where graduates go and what they studyUniversity of Massachusetts Boston
Boston University
Boston College
Framingham State University
Northeastern University
University of Massachusetts Amherst
Fisher College
Salem State University
Business
Psychology
Biology
English
Fine Arts
Studio Arts
Architecture
Arts
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