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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.

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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

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Events

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Upcoming Events

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Mon Jun 01 2026

All Town Wind Ensemble and Festival Orchestra Concert

7:00 pm

Carl J. Rondina Performing Arts Center at Chelmsford High School

200 Richardson Road, Chelmsford, Mass. 01863

Tue Jun 02 2026

Chelmsford School Committee Meeting

6:00 pm

Central Administration

230 North Road

Wed Jun 03 2026

Senior Prom

6:00 pm - 10:00 pm

Wed Jun 03 2026

After-Prom Party

11:00 pm

Chelmsford Elks Lodge

300 Littleton Road, Chelmsford

Thu Jun 04 2026

After-Prom Party

12:00 am - 5:00 am

Chelmsford Elks Lodge

300 Littleton Road, Chelmsford

Fri Jun 05 2026

Senior Banquet

6:00 pm - 10:00 pm

Sat Jun 06 2026

Class of 2026 Graduation

4:00 pm

Tsongas Center @ UMass Lowell

300 Martin Luther King Jr. Way Lowell, MA 01852

Mon Jun 08 2026

CHS PTO Meeting

7:00 pm

Chelmsford High School

200 Richardson Road, North Chelmsford, MA 01863

Mon Jun 15 2026

Last Day of School - Half Day (Tentative)

Chelmsford High School Social Media