Question: Which two prep schools are located in the birthplace of the one known for the order given to soldiers to conserve their limited stocks of ammunition?

full_context: Document 1: Groton, Massachusetts: Groton is a town in northwestern Middlesex County, Massachusetts, United States. The population was 10,873 at the 2012 town census. It is home to two prep schools: Groton School, founded in 1884, and Lawrence Academy at Groton, founded in 1792. The historic town was a battlefield in King Philip's War and Queen Anne's War, experienced incidents of insurrection during Shays's Rebellion, and was the birthplace of William Prescott, who commanded the colonial forces at the Battle of Bunker Hill.
Document 2: Middlesex School: Middlesex School is a coeducational, non-sectarian, day and boarding independent secondary school for grades 9-12 located in Concord, Massachusetts. It was founded as an all-boys school in 1901 by a Roxbury Latin School alumnus, Frederick Winsor, who headed the school until 1937. Middlesex began admitting girls in 1974. The school is a member of the prestigious Independent School League and is one of five schools collectively known as St. Grottlesex.
Document 3: John Bush (Provincial soldier): John Bush was an African-Provincial soldier with the Massachusetts militia that fought on the side of Britain during the French and Indian Wars in North America. He is known for his carving of powder horns of the time. One of his 1756 horns has been part of a travelling exhibition throughout Canada and US. The quality of his carving and use of calligraphy has been called "superb". Bush's carving style and decorative embellishments were used in for the Lake George School during the French and Indian War. Other powder horn carvers adopted Bush's engraving style. They are known as the Sekrig-Page carver, the I.W. carver, and the Memento Mori carver. Bush is considered a founder of American folk art. He was captured during the battle and fall of Fort William Henry August 9, 1757. What happened after this is not known. John Bush's father, George Bush moved to Massachusetts Bay during in the eighteenth century. John Bush's mother is unknown. George was a farmer in North Parish of Shrewsbury (now Boyleston). George died at the age of eighty-years old in 1767. John had three brothers who also fought with the Massachusetts militia during the war. They were George Bush who died on September 25, 1755 and Joseph Bush who died on April 8, 1756.
Document 4: John Stark: John Stark (August 28, 1728 – May 8, 1822) was a New Hampshire native who served as an officer in the British Army during the French and Indian war and a major general in the Continental Army during the American Revolution. He became widely known as the "Hero of Bennington" for his exemplary service at the Battle of Bennington in 1777.
Document 5: Prescott, Massachusetts: Prescott was a town in Hampshire County, Massachusetts. It was incorporated in 1822 from portions of Pelham and New Salem, and was partially built on Equivalent Lands. It was named in honor of Colonel William Prescott, who commanded the American forces at the Battle of Bunker Hill. It was unincorporated on April 28, 1938, as part of the creation of the Quabbin Reservoir. It was the least populous of the four unincorporated towns, with barely 300 residents by 1900. Upon dissolution, portions of the town were annexed to the adjacent towns of New Salem and Petersham. The majority of the former town (the New Salem portion) is still above water, and is known as the Prescott Peninsula. The public is not allowed on the peninsula except for an annual tour given by the Swift River Valley Historical Society, or for hikes conducted by the Society. None of the land is in Hampshire County any longer; the New Salem portion is in Franklin County; and the Petersham portion is in Worcester County.
Document 6: Fort Warren (Massachusetts): Fort Warren is a historic fort on the 28 acre Georges Island at the entrance to Boston Harbor. The fort is pentagonal star fort, made with stone and granite, and was constructed from 1833–1861, completed shortly after the beginning of the American Civil War. Fort Warren defended the harbor in Boston, Massachusetts, from 1861 through the end of World War II, and during the Civil War served as a prison for Confederate officers and government officials. The fort remained active through the Spanish–American War and World War I, and was re-activated during World War II. It was permanently decommissioned in 1947, and is now a tourist site. It was designated a National Historic Landmark in 1970 as a masterpiece of coastal engineering of the pre-Civil War period, and for its role in the Civil War. It was named for Revolutionary war hero Dr. Joseph Warren, who sent Paul Revere on his famous ride, and was later killed at the Battle of Bunker Hill. The name was transferred from the first Fort Warren in 1833, which was renamed Fort Winthrop.
Document 7: 13th Massachusetts Regiment: The 13th Massachusetts Regiment, also known as the 6th Continental Regiment and Jonathan Brewer's Regiment, was first raised in 1775 by Colonel Jonathan Brewer. Under Colonel Edward Wigglesworth in 1776 it was designated the 6th Continental. It was manned with troops raised primarily from Essex, York, and Cumberland Counties. An additional battalion was later raised from Middlesex, Suffolk, Plymouth and Barnstable Counties. The regiment would see action at the Battle of Bunker Hill, Battle of Valcour Island, Battle of Saratoga, Battle of Monmouth and the Battle of Rhode Island. The regiment was disbanded on January 1, 1781, at West Point, New York. The Light Infantry Company fought at the Battle of Stony Point
Document 8: Groton-Dunstable Regional High School: Groton-Dunstable Regional High School (GDRHS) is located in Groton, Massachusetts and serves the communities of both Groton and Dunstable in the Groton-Dunstable Regional School District. While GDRHS is the only public high school located within those communities students from Groton may also attend the public Nashoba Valley Technical High School while students from Dunstable may attend the public Greater Lowell Technical High School. Approximately 850 students attend GDRHS and they are primarily graduates of Groton-Dunstable Regional Middle School. GDRHS has a primarily college preparatory curriculum with approximately 87% of its students attending four-year colleges and over 90% attending two- or four-year colleges upon graduation in 2010.
Document 9: William Prescott: William Prescott (February 20, 1726 – October 13, 1795) was an American colonel in the Revolutionary War who commanded the patriot forces in the Battle of Bunker Hill. Prescott is known for his order to his soldiers, "Do not fire until you see the whites of their eyes", such that the rebel troops may shoot at the enemy at shorter ranges, and therefore more accurately and lethally, and so conserve their limited stocks of ammunition. It is debated whether Prescott or someone earlier coined this memorable saying.
Document 10: Groton, Vermont: Groton is a town in Caledonia County, Vermont, United States. The population was 1,022 at the 2010 census. It contains the places Groton Pond, Rickers Mills, Rickers and West Groton. The unincorporated village of Groton in the southeast corner of town is recorded as the Groton census-designated place (CDP), with a population of 437 at the 2010 census.
Document 11: Abel Prescott, Jr.: Abel Prescott, Jr. (December 12, 1749September 21, 1775) was one of the Americans who rode to warn that the British soldiers were coming to Concord, Massachusetts on the eve of the American Revolution. His brother Samuel Prescott was also an American patriot.
Document 12: Phillips Academy: Phillips Academy Andover (also known as Phillips Academy, Andover, or PA) is a co-educational university-preparatory school for boarding and day students in grades 9–12, along with a post-graduate (PG) year. The school is in Andover, Massachusetts, United States, 25 miles north of Boston. Phillips Academy has 1,150 students, and is a selective school, accepting 13% of applicants. It is part of the Ten Schools Admissions Organization as well as the G20 Schools Group.
Document 13: Benjamin Grant House: The Benjamin Grant House is a historic house at 47 County Street in Ipswich, Massachusetts. It is a well-preserved early Georgian house, built c. 1735 by Benjamin Grant. He was killed in the French and Indian War, and the house subsequently came into the hands of the Ross family, who owned it well into the 20th century. The house is a 2.5 story colonial with a central chimney. The front portion of the house consists of two rooms, one on either side of the chimney, behind which is a single story leanto addition. The interior of the house has remained well preserved, showing numerous Georgian details.
Document 14: Great Barrington, Massachusetts: Great Barrington is a town in Berkshire County, Massachusetts, United States. It is part of the Pittsfield, Massachusetts, Metropolitan Statistical Area. The population was 7,104 at the 2010 census. Both a summer resort and home to Ski Butternut, Great Barrington includes the villages of Van Deusenville and Housatonic. It is the birthplace of W. E. B. Du Bois. In 2012, "Smithsonian" magazine ranked Great Barrington #1 in its list of "The 20 Best Small Towns in America".
Document 15: Milton, Massachusetts: Milton is a town in Norfolk County, Massachusetts, United States and an affluent suburb of Boston. The population was 27,003 at the 2010 census. Milton is the birthplace of former U.S. President George H. W. Bush and architect Buckminster Fuller.
ground_truth: Groton School, founded in 1884, and Lawrence Academy at Groton