Chelsea High
1,611
Students
14.7:1
S:T Ratio
School Snapshot
Key metrics at a glanceAvg SAT Scoreout of 1600
941
B-
Below Avg
AP Coursescourses offered
11
B+
Good
AP Enrollmentof students
16%
C
Average
Student-Teacher Ratiostudents per teacher
15:1
B+
Good
This Week at Chelsea High – April 20, 2026
217 students practicing on Varsity Tutors
Academic Resources
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School Details
Address
299 Everett Avenue, Chelsea, MA 02150
Phone
(617)466-5000
Website
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District
Chelsea Public Schools
Academic Calendar
2025-2026
Important dates, holidays, and school events
School Mission
“Chelsea Public Schools is a gateway school system that welcomes”