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High · Regular · Grades 9 to 12

Chelsea High, Chelsea, MA

CEP schoolChelsea High is a public high school in Chelsea, part of Chelsea School District. It enrolled 1,649 students in 2024-25, with 13.2 students per full-time teacher.

Enrollment and teachers

Students
1,649
Teachers (FTE)
125.0
Students per teacher
13.2
Grades
9 to 12

This school's ratio is 1.3 higher than the district figure of 11.9. The Massachusetts average across schools is 12.0. Ratios count all teachers, including specialists, so they are lower than typical class sizes.

This school13.2
District11.9
Massachusetts12.0
United States15.3

School details

Address
299 Everett Avenue, Chelsea, MA 02150
Phone
(617)466-5000
District
Chelsea School District
County
Suffolk County
Level
High
Type
Regular
Status
Open
Charter
No
Virtual
No
Locale
Suburb: Large
NCES school ID
250354000482
Location from NCES coordinates. Map data OpenStreetMap contributors. Open larger map

School meals

Counts of students eligible for free or reduced-price lunch, as reported to NCES.
Direct certification
1,285Students certified through programs such as SNAP, without an application.
Community Eligibility Provision
Yes (CEP school)

Schools in the Community Eligibility Provision (CEP) serve free meals to all students, so their free lunch counts often reflect direct certification or total enrollment. Free and reduced lunch shares are not comparable between CEP and non-CEP schools.

Related schools

Other high schools in Chelsea School District

High schools elsewhere in Chelsea

We publish official enrollment and staffing data, not ratings or test scores.

Source: NCES Common Core of Data 2024-25 and F-33 finance 2020, via the Urban Institute Education Data Portal. Last reviewed October 2026. Blank values are not available, not applicable or suppressed in the source. See the methodology.