Question: Michael Maren graduated from what boarding school in 1973?

Context paragraphs:
Concho Indian Boarding School: Concho Indian Boarding School (also known as the Cheyenne-Arapaho Boarding School at Concho or Concho Indian School and home to the Concho Demonstration School) was a boarding school for members of the Cheyenne and Arapaho Tribes and later opened to other Native American students.  It existed from 1909 to 1983.  It was located in central Oklahoma, approximately 1 mile south of Concho, Oklahoma and 4 miles north of El Reno, Oklahoma.  The name of the town and school is the Spanish word for "shell" and was named for the Indian agent, Charles E. Shell.

Grennaskolan: Grennaskolan Boarding School is a Swedish boarding school located in Gränna, Jönköping County.  Grennaskolan Boarding School was founded in 1963 by Stockholm University and has today approximately 200 students, half of whom are boarding school students and half of whom are international students.

Michael Maren: Michael Maren (born November 15, 1955) spent his twenties and thirties as a foreign correspondent based in Africa, writing for The Village Voice, Newsweek, The Nation, The New Republic, Harper's, GQ, The New York Times Magazine, among others.  His book, about his experiences in Somalia, The Road to Hell, was called "the seminal critique of foreign aid" by The New Yorker.  He grew up in Andover, Massachusetts and graduated from Northfield Mt. Hermon in 1973.  As an undergraduate he attended Hartwick College in Oneonta, NY.

Piney Woods Country Life School: The Piney Woods Country Life School (or The Piney Woods School) is a co-educational independent historically African-American boarding school for grades 9-12 in Piney Woods, unincorporated Rankin County, Mississippi.  It is 21 mi south of Jackson.  It is one of four remaining historically African-American boarding schools in the United States.  It is currently the largest African-American boarding school, as well as being the second oldest continually operating African-American boarding school.

Bagsværd Kostskole og Gymnasium: Bagsværd Kostskole og Gymnasium (Eng: 'Bagsværd Boarding School and Gymnasium'), usually referred to among students, teachers etc. as simply BK, is a private day school, gymnasium, and boarding school situated in Bagsværd, a suburb of Copenhagen.  The vast majority of the 800 pupils and students at BK commute to school every day; the boarding school (Haraldsgave, lit.  "Harald's Gift", commonly known as Haga) only houses up to 60 students.

Jawahar Navodaya Vidyalaya Kanpur: Jawahar Navodaya Vidyalaya Kanpur (Hindi: जवाहर नवोदय विद्यालय कानपुर ) (also known as JNV Kanpur or JNVK) is a boarding school, set up in Kanpur, India, in 1987.  It is an autonomous body which works under the Department of Education, Ministry of Human Resource Development (India).  The concept of opening a boarding school, called Navodaya Vidyalaya, in every district of India was born as a part of the section 5.15 in New Policy on Education(NPE86).  Jawahar Navodaya Vidyalaya Kanpur has a campus of 35 acres, close to national highway (NH-2) (GT Road) near Navodaya Nagar, Sarsaul, Kanpur( 26°16'6"N, 80°30'1"E).  It is a fully residential boarding school which provides accommodation to students, faculty and staff.

Vishwajyoti Higher Secondary School: Vishwajyoti Higher Secondary School was initially established in the year 2051 B.S (1994 A.D) by a group of highly experienced professional in the field of education at Pragatinagar – 3, Nawalparasi, Nepal, in collaboration with Nawal English Boarding School, established at Rajhar V.D.C. in the year 2039 B.S (1982 A.D) to promote it from Primary Level to Secondary Level and was run under the name of Nawal English Boarding School (NEBS) upto 2056 B.S (1999 A.D).  NEBS was later merged into Vishwa Jyoti English Boarding School in the year 2057 B.S (2000 A.D).  In the year 2064 B.S (2007 A.D) the school upgraded itself to the Higher Secondary Level, affiliated to the Higher Secondary Education Board (H.S.E.B.) and started running classes in the science and management stream. official website

Northfield Mount Hermon School: Northfield Mount Hermon School, commonly referred to as NMH, is a highly selective coeducational college-preparatory boarding and day school for students in grades 9–12 and postgraduates.  The school is located on the banks of the Connecticut River, with the majority of the campus being located within the towns of Bernardston, Northfield, (West Northfield), and Gill, MA.

Bosei Sports High School: Bosei Sports High School (Danish: Idrætshøjskolen Bosei ) is a folk high school (non-degree granting educational institution for adults) in Præstø, Denmark, in the campus of the former Tokai University Boarding School in Denmark, a Japanese boarding school.  This school was established by local Danish authorities in conjunction with Tokai University, which had operated the boarding school.

Jawahar Navodaya Vidyalaya, Amroha: Jawahar Navodaya Vidyalaya Amroha (also known as JNV Amroha or JNV Baseda Taga) is a boarding school, set up in Amroha, India, in 2000.  It is an autonomous body which works under the Department of Education, Ministry of Human Resource Development (India).  The concept of opening a boarding school, called Navodaya Vidyalaya, in every district of India was born as a part of the section 5.15 in New Policy on Education (NPE86).  Jawahar Navodaya Vidyalaya Amroha has a campus of 35 acres, close to Saidpur Mafi Bijnor on NH -76, in Baseda Taga, Amroha.  It is a fully residential boarding school which provides accommodation to students, faculty and staff.

Supporting paragraphs: Michael Maren Northfield Mount Hermon School
Answer: Northfield Mount Hermon School