Groton-Dunstable Regional High School is a four-year, public, coeducational, comprehensive school with an enrollment of over 800 students. The school is accredited by The New England Association of Schools and Colleges.

Block Scheduling

Block A: 7:27 – 8:51AM
Break: 8:51 – 9:00AM
Block B: 9:04 – 10:28AM
Block C: 10:32AM – 12:22PM (see lunch schedule below)
Block D: 12:26 – 1:50PM

Standard Bell Lunch Schedule
1st Lunch: 10:30-10:54; Class time 10:58-12:24
2nd Lunch: 11:01-11:25; Class time 10:33-11:01 & 11:29-12:24
3rd Lunch: 11:31-11:55; Class time 10:33-11:31 & 11:59-12:24
4th Lunch: 12:00-12:24; Class time 10:33-12:00

Block A: 7:27 – 8:42AM
Advisory: 8:45 – 9:15AM
Block B: 9:18 – 10:37AM
Block C: 10:41AM – 12:30PM (see lunch schedule below)
Block D: 12:34 – 1:50PM

Advisory Bell Lunch Schedule
1st Lunch: 10:38-11:02; Class time 11:06-12:30
2nd Lunch: 11:07-11:31; Class time 10:41-11:07 & 11:35-12:30
3rd Lunch: 11:37-12:01; Class time 10:41-11:32 & 12:05-12:30
4th Lunch: 12:06-12:30; Class time 10:41-12:06

Block A: 7:27 – 8:15AM
Block B: 8:19 – 9:07AM
Block C: 9:11 – 9:59AM
Block D: 10:03 – 10:50AM

School Hours & Location

We are located at 703 Chicopee Row in Groton, Massachusetts 01450. Students begin each day at 7:27AM with the school day ending at 1:50PM during full days and 10:50AM during half-days. For directions to our school, please see our Contact page.

School Improvement Plan

Please read our School Improvement Plan for the 2015-2016 school year by clicking here .

Bus Route Information

Please use the bus route summary provided by the Groton-Dunstable Transportation office for the upcoming school year. Please visit our Transportation page for more information.

DESE Profile & MCAS Results

We are pleased to share Groton-Dunstable Regional School District’s Report Card. Please read the full communication to our parent community by visiting the District About Us page. Report cards answer important questions about a district’s overall performance and contain specific information about student enrollment, teacher qualifications, student achievement, accountability, how a district is performing relative to other schools in the state, and the progress made toward narrowing proficiency gaps for different groups of students. Groton-Dunstable Regional School District is ranked among the Commonwealth of Massachusetts top scoring school districts.

Groton-Dunstable Regional School District is ranked among the Commonwealth of Massachusetts top scoring school districts. For the Groton-Dunstable Regional High School’s Department of Elementary and Secondary Education (DESE) district report card, please click here .

Water Sample Report

Our water system recently violated a drinking water standard. Although this is not an emergency, as our customers, you have the right to know what happened and what we did to correct this situation. Groton-Dunstable Regional School District routinely monitors our drinking water contaminants. For more on the Water Sample Report, click here .

Statement of Non-Discrimination

Groton-Dunstable Regional School District does not discriminate on the basis of race, color, national origin, sex, gender identity, disability, religion, homelessness or sexual orientation.