Chelmsford High School aerial

Chelmsford High School

Welcome to Chelmsford High School located in the Town of Chelmsford, Massachusetts, established in 1927. It serves as the public high school for students in grades 9-12, and lies on over 50 acres land.

Chelmsford High School is based on a three-house system named after the three famous New England writers Ralph Waldo Emerson, Nathaniel Hawthorne, and John Greenleaf Whittier.

We welcome our students and encourage their success upon graduation.

Learn More »
80.2%

College / Post-Secondary Enrollment

16.7%

Above Massachusetts Average

87.4%

Students who participate in an arts course beyond requisite

5.9%

Above Massachusetts Average

96.5%

11th and 12th grade students completing at least one AP course

29.3%

Above Massachusetts Average

Latest News

See All

Events

Calendar

Loading Spinner

Upcoming Events

See All

Mon Jan 19 2026

Martin Luther King Jr. Day - No School

Tue Jan 20 2026

Chelmsford School Committee Meeting

6:00 pm

Central Administration

230 North Road

Wed Jan 21 2026

Semester 1 Exams

Chelmsford HIgh School

200 Richardson Road, Chelmsford, Mass. 01863

Thu Jan 22 2026

Semester 1 Exams

Chelmsford HIgh School

200 Richardson Road, Chelmsford, Mass. 01863

Thu Jan 22 2026

Early Release - 10:25 a.m.

Chelmsford HIgh School

200 Richardson Road, Chelmsford, Mass. 01863

Fri Jan 23 2026

Semester 1 Exams

Chelmsford HIgh School

200 Richardson Road, Chelmsford, Mass. 01863

Fri Jan 23 2026

Early Release - 10:25 a.m.

Chelmsford HIgh School

200 Richardson Road, Chelmsford, Mass. 01863

Tue Feb 03 2026

Chelmsford School Committee Meeting

6:00 pm

Central Administration

230 North Road

Thu Feb 05 2026

Early Release Day - Professional Development

Chelmsford High School Social Media